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332 | UnhideWhenUsed="false" Name="Colorful List Accent 6"/> |
---|
333 | <w:LsdException Locked="false" Priority="73" SemiHidden="false" |
---|
334 | UnhideWhenUsed="false" Name="Colorful Grid Accent 6"/> |
---|
335 | <w:LsdException Locked="false" Priority="19" SemiHidden="false" |
---|
336 | UnhideWhenUsed="false" QFormat="true" Name="Subtle Emphasis"/> |
---|
337 | <w:LsdException Locked="false" Priority="21" SemiHidden="false" |
---|
338 | UnhideWhenUsed="false" QFormat="true" Name="Intense Emphasis"/> |
---|
339 | <w:LsdException Locked="false" Priority="31" SemiHidden="false" |
---|
340 | UnhideWhenUsed="false" QFormat="true" Name="Subtle Reference"/> |
---|
341 | <w:LsdException Locked="false" Priority="32" SemiHidden="false" |
---|
342 | UnhideWhenUsed="false" QFormat="true" Name="Intense Reference"/> |
---|
343 | <w:LsdException Locked="false" Priority="33" SemiHidden="false" |
---|
344 | UnhideWhenUsed="false" QFormat="true" Name="Book Title"/> |
---|
345 | <w:LsdException Locked="false" Priority="37" Name="Bibliography"/> |
---|
346 | <w:LsdException Locked="false" Priority="39" QFormat="true" Name="TOC Heading"/> |
---|
347 | </w:LatentStyles> |
---|
348 | </xml><![endif]--> |
---|
349 | <style> |
---|
350 | <!-- |
---|
351 | /* Font Definitions */ |
---|
352 | @font-face |
---|
353 | {font-family:Courier; |
---|
354 | panose-1:2 7 4 9 2 2 5 2 4 4; |
---|
355 | mso-font-alt:"Courier New"; |
---|
356 | mso-font-charset:0; |
---|
357 | mso-generic-font-family:modern; |
---|
358 | mso-font-format:other; |
---|
359 | mso-font-pitch:fixed; |
---|
360 | mso-font-signature:3 0 0 0 1 0;} |
---|
361 | @font-face |
---|
362 | {font-family:"MS Mincho"; |
---|
363 | panose-1:2 2 6 9 4 2 5 8 3 4; |
---|
364 | mso-font-alt:"\FF2D\FF33 \660E\671D"; |
---|
365 | mso-font-charset:128; |
---|
366 | mso-generic-font-family:modern; |
---|
367 | mso-font-pitch:fixed; |
---|
368 | mso-font-signature:-536870145 1791491579 18 0 131231 0;} |
---|
369 | @font-face |
---|
370 | {font-family:"MS Gothic"; |
---|
371 | panose-1:2 11 6 9 7 2 5 8 2 4; |
---|
372 | mso-font-alt:"\FF2D\FF33 \30B4\30B7\30C3\30AF"; |
---|
373 | mso-font-charset:128; |
---|
374 | mso-generic-font-family:modern; |
---|
375 | mso-font-pitch:fixed; |
---|
376 | mso-font-signature:-536870145 1791491579 18 0 131231 0;} |
---|
377 | @font-face |
---|
378 | {font-family:"MS Gothic"; |
---|
379 | panose-1:2 11 6 9 7 2 5 8 2 4; |
---|
380 | mso-font-alt:"\FF2D\FF33 \30B4\30B7\30C3\30AF"; |
---|
381 | mso-font-charset:128; |
---|
382 | mso-generic-font-family:modern; |
---|
383 | mso-font-pitch:fixed; |
---|
384 | mso-font-signature:-536870145 1791491579 18 0 131231 0;} |
---|
385 | @font-face |
---|
386 | {font-family:Cambria; |
---|
387 | panose-1:2 4 5 3 5 4 6 3 2 4; |
---|
388 | mso-font-charset:0; |
---|
389 | mso-generic-font-family:roman; |
---|
390 | mso-font-pitch:variable; |
---|
391 | mso-font-signature:-536870145 1073743103 0 0 415 0;} |
---|
392 | @font-face |
---|
393 | {font-family:Calibri; |
---|
394 | panose-1:2 15 5 2 2 2 4 3 2 4; |
---|
395 | mso-font-charset:0; |
---|
396 | mso-generic-font-family:swiss; |
---|
397 | mso-font-pitch:variable; |
---|
398 | mso-font-signature:-536870145 1073786111 1 0 415 0;} |
---|
399 | @font-face |
---|
400 | {font-family:"Lucida Grande"; |
---|
401 | mso-font-alt:"Times New Roman"; |
---|
402 | mso-font-charset:0; |
---|
403 | mso-generic-font-family:auto; |
---|
404 | mso-font-pitch:variable; |
---|
405 | mso-font-signature:0 1342218751 0 0 447 0;} |
---|
406 | @font-face |
---|
407 | {font-family:"\@MS Gothic"; |
---|
408 | panose-1:2 11 6 9 7 2 5 8 2 4; |
---|
409 | mso-font-charset:128; |
---|
410 | mso-generic-font-family:modern; |
---|
411 | mso-font-pitch:fixed; |
---|
412 | mso-font-signature:-536870145 1791491579 18 0 131231 0;} |
---|
413 | @font-face |
---|
414 | {font-family:"\@MS Mincho"; |
---|
415 | panose-1:2 2 6 9 4 2 5 8 3 4; |
---|
416 | mso-font-charset:128; |
---|
417 | mso-generic-font-family:modern; |
---|
418 | mso-font-pitch:fixed; |
---|
419 | mso-font-signature:-536870145 1791491579 18 0 131231 0;} |
---|
420 | /* Style Definitions */ |
---|
421 | p.MsoNormal, li.MsoNormal, div.MsoNormal |
---|
422 | {mso-style-unhide:no; |
---|
423 | mso-style-qformat:yes; |
---|
424 | mso-style-parent:""; |
---|
425 | margin:0in; |
---|
426 | margin-bottom:.0001pt; |
---|
427 | mso-pagination:widow-orphan; |
---|
428 | font-size:12.0pt; |
---|
429 | mso-bidi-font-size:10.0pt; |
---|
430 | font-family:"Cambria","serif"; |
---|
431 | mso-fareast-font-family:"MS Mincho"; |
---|
432 | mso-bidi-font-family:"Times New Roman"; |
---|
433 | mso-fareast-language:JA;} |
---|
434 | h1 |
---|
435 | {mso-style-priority:9; |
---|
436 | mso-style-unhide:no; |
---|
437 | mso-style-qformat:yes; |
---|
438 | mso-style-link:"Heading 1 Char"; |
---|
439 | mso-style-next:Normal; |
---|
440 | margin-top:24.0pt; |
---|
441 | margin-right:0in; |
---|
442 | margin-bottom:0in; |
---|
443 | margin-left:0in; |
---|
444 | margin-bottom:.0001pt; |
---|
445 | mso-pagination:widow-orphan lines-together; |
---|
446 | page-break-after:avoid; |
---|
447 | mso-outline-level:1; |
---|
448 | font-size:16.0pt; |
---|
449 | font-family:"Calibri","sans-serif"; |
---|
450 | mso-fareast-font-family:"MS Gothic"; |
---|
451 | color:#345A8A; |
---|
452 | mso-font-kerning:0pt; |
---|
453 | mso-fareast-language:JA;} |
---|
454 | h2 |
---|
455 | {mso-style-noshow:yes; |
---|
456 | mso-style-priority:9; |
---|
457 | mso-style-qformat:yes; |
---|
458 | mso-style-link:"Heading 2 Char"; |
---|
459 | mso-style-next:Normal; |
---|
460 | margin-top:10.0pt; |
---|
461 | margin-right:0in; |
---|
462 | margin-bottom:0in; |
---|
463 | margin-left:0in; |
---|
464 | margin-bottom:.0001pt; |
---|
465 | mso-pagination:widow-orphan lines-together; |
---|
466 | page-break-after:avoid; |
---|
467 | mso-outline-level:2; |
---|
468 | font-size:13.0pt; |
---|
469 | font-family:"Calibri","sans-serif"; |
---|
470 | mso-fareast-font-family:"MS Gothic"; |
---|
471 | color:#4F81BD; |
---|
472 | mso-fareast-language:JA;} |
---|
473 | a:link, span.MsoHyperlink |
---|
474 | {mso-style-noshow:yes; |
---|
475 | mso-style-priority:99; |
---|
476 | color:blue; |
---|
477 | mso-themecolor:hyperlink; |
---|
478 | text-decoration:underline; |
---|
479 | text-underline:single;} |
---|
480 | a:visited, span.MsoHyperlinkFollowed |
---|
481 | {mso-style-noshow:yes; |
---|
482 | mso-style-priority:99; |
---|
483 | color:purple; |
---|
484 | mso-themecolor:followedhyperlink; |
---|
485 | text-decoration:underline; |
---|
486 | text-underline:single;} |
---|
487 | p.MsoAcetate, li.MsoAcetate, div.MsoAcetate |
---|
488 | {mso-style-noshow:yes; |
---|
489 | mso-style-priority:99; |
---|
490 | mso-style-link:"Balloon Text Char"; |
---|
491 | margin:0in; |
---|
492 | margin-bottom:.0001pt; |
---|
493 | mso-pagination:widow-orphan; |
---|
494 | font-size:9.0pt; |
---|
495 | font-family:"Lucida Grande"; |
---|
496 | mso-fareast-font-family:"MS Mincho"; |
---|
497 | mso-fareast-language:JA;} |
---|
498 | p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph |
---|
499 | {mso-style-priority:34; |
---|
500 | mso-style-unhide:no; |
---|
501 | mso-style-qformat:yes; |
---|
502 | margin-top:0in; |
---|
503 | margin-right:0in; |
---|
504 | margin-bottom:0in; |
---|
505 | margin-left:.5in; |
---|
506 | margin-bottom:.0001pt; |
---|
507 | mso-add-space:auto; |
---|
508 | mso-pagination:widow-orphan; |
---|
509 | font-size:12.0pt; |
---|
510 | mso-bidi-font-size:10.0pt; |
---|
511 | font-family:"Cambria","serif"; |
---|
512 | mso-fareast-font-family:"MS Mincho"; |
---|
513 | mso-bidi-font-family:"Times New Roman"; |
---|
514 | mso-fareast-language:JA;} |
---|
515 | p.MsoListParagraphCxSpFirst, li.MsoListParagraphCxSpFirst, div.MsoListParagraphCxSpFirst |
---|
516 | {mso-style-priority:34; |
---|
517 | mso-style-unhide:no; |
---|
518 | mso-style-qformat:yes; |
---|
519 | mso-style-type:export-only; |
---|
520 | margin-top:0in; |
---|
521 | margin-right:0in; |
---|
522 | margin-bottom:0in; |
---|
523 | margin-left:.5in; |
---|
524 | margin-bottom:.0001pt; |
---|
525 | mso-add-space:auto; |
---|
526 | mso-pagination:widow-orphan; |
---|
527 | font-size:12.0pt; |
---|
528 | mso-bidi-font-size:10.0pt; |
---|
529 | font-family:"Cambria","serif"; |
---|
530 | mso-fareast-font-family:"MS Mincho"; |
---|
531 | mso-bidi-font-family:"Times New Roman"; |
---|
532 | mso-fareast-language:JA;} |
---|
533 | p.MsoListParagraphCxSpMiddle, li.MsoListParagraphCxSpMiddle, div.MsoListParagraphCxSpMiddle |
---|
534 | {mso-style-priority:34; |
---|
535 | mso-style-unhide:no; |
---|
536 | mso-style-qformat:yes; |
---|
537 | mso-style-type:export-only; |
---|
538 | margin-top:0in; |
---|
539 | margin-right:0in; |
---|
540 | margin-bottom:0in; |
---|
541 | margin-left:.5in; |
---|
542 | margin-bottom:.0001pt; |
---|
543 | mso-add-space:auto; |
---|
544 | mso-pagination:widow-orphan; |
---|
545 | font-size:12.0pt; |
---|
546 | mso-bidi-font-size:10.0pt; |
---|
547 | font-family:"Cambria","serif"; |
---|
548 | mso-fareast-font-family:"MS Mincho"; |
---|
549 | mso-bidi-font-family:"Times New Roman"; |
---|
550 | mso-fareast-language:JA;} |
---|
551 | p.MsoListParagraphCxSpLast, li.MsoListParagraphCxSpLast, div.MsoListParagraphCxSpLast |
---|
552 | {mso-style-priority:34; |
---|
553 | mso-style-unhide:no; |
---|
554 | mso-style-qformat:yes; |
---|
555 | mso-style-type:export-only; |
---|
556 | margin-top:0in; |
---|
557 | margin-right:0in; |
---|
558 | margin-bottom:0in; |
---|
559 | margin-left:.5in; |
---|
560 | margin-bottom:.0001pt; |
---|
561 | mso-add-space:auto; |
---|
562 | mso-pagination:widow-orphan; |
---|
563 | font-size:12.0pt; |
---|
564 | mso-bidi-font-size:10.0pt; |
---|
565 | font-family:"Cambria","serif"; |
---|
566 | mso-fareast-font-family:"MS Mincho"; |
---|
567 | mso-bidi-font-family:"Times New Roman"; |
---|
568 | mso-fareast-language:JA;} |
---|
569 | span.Heading1Char |
---|
570 | {mso-style-name:"Heading 1 Char"; |
---|
571 | mso-style-priority:9; |
---|
572 | mso-style-unhide:no; |
---|
573 | mso-style-locked:yes; |
---|
574 | mso-style-parent:""; |
---|
575 | mso-style-link:"Heading 1"; |
---|
576 | mso-ansi-font-size:16.0pt; |
---|
577 | mso-bidi-font-size:16.0pt; |
---|
578 | font-family:"Calibri","sans-serif"; |
---|
579 | mso-ascii-font-family:Calibri; |
---|
580 | mso-fareast-font-family:"MS Gothic"; |
---|
581 | mso-hansi-font-family:Calibri; |
---|
582 | mso-bidi-font-family:"Times New Roman"; |
---|
583 | color:#345A8A; |
---|
584 | font-weight:bold;} |
---|
585 | span.Heading2Char |
---|
586 | {mso-style-name:"Heading 2 Char"; |
---|
587 | mso-style-noshow:yes; |
---|
588 | mso-style-priority:9; |
---|
589 | mso-style-unhide:no; |
---|
590 | mso-style-locked:yes; |
---|
591 | mso-style-parent:""; |
---|
592 | mso-style-link:"Heading 2"; |
---|
593 | mso-ansi-font-size:13.0pt; |
---|
594 | mso-bidi-font-size:13.0pt; |
---|
595 | font-family:"Calibri","sans-serif"; |
---|
596 | mso-ascii-font-family:Calibri; |
---|
597 | mso-fareast-font-family:"MS Gothic"; |
---|
598 | mso-hansi-font-family:Calibri; |
---|
599 | mso-bidi-font-family:"Times New Roman"; |
---|
600 | color:#4F81BD; |
---|
601 | font-weight:bold;} |
---|
602 | span.BalloonTextChar |
---|
603 | {mso-style-name:"Balloon Text Char"; |
---|
604 | mso-style-noshow:yes; |
---|
605 | mso-style-priority:99; |
---|
606 | mso-style-unhide:no; |
---|
607 | mso-style-locked:yes; |
---|
608 | mso-style-parent:""; |
---|
609 | mso-style-link:"Balloon Text"; |
---|
610 | mso-ansi-font-size:9.0pt; |
---|
611 | mso-bidi-font-size:9.0pt; |
---|
612 | font-family:"Lucida Grande"; |
---|
613 | mso-ascii-font-family:"Lucida Grande"; |
---|
614 | mso-hansi-font-family:"Lucida Grande"; |
---|
615 | mso-bidi-font-family:"Lucida Grande";} |
---|
616 | span.SpellE |
---|
617 | {mso-style-name:""; |
---|
618 | mso-spl-e:yes;} |
---|
619 | span.GramE |
---|
620 | {mso-style-name:""; |
---|
621 | mso-gram-e:yes;} |
---|
622 | .MsoChpDefault |
---|
623 | {mso-style-type:export-only; |
---|
624 | mso-default-props:yes; |
---|
625 | font-size:10.0pt; |
---|
626 | mso-ansi-font-size:10.0pt; |
---|
627 | mso-bidi-font-size:10.0pt; |
---|
628 | font-family:"Cambria","serif"; |
---|
629 | mso-ascii-font-family:Cambria; |
---|
630 | mso-fareast-font-family:"MS Mincho"; |
---|
631 | mso-hansi-font-family:Cambria;} |
---|
632 | @page WordSection1 |
---|
633 | {size:8.5in 11.0in; |
---|
634 | margin:1.0in 1.25in 1.0in 1.25in; |
---|
635 | mso-header-margin:.5in; |
---|
636 | mso-footer-margin:.5in; |
---|
637 | mso-paper-source:0;} |
---|
638 | div.WordSection1 |
---|
639 | {page:WordSection1;} |
---|
640 | /* List Definitions */ |
---|
641 | @list l0 |
---|
642 | {mso-list-id:177306416; |
---|
643 | mso-list-type:hybrid; |
---|
644 | mso-list-template-ids:113260986 67698703 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;} |
---|
645 | @list l0:level1 |
---|
646 | {mso-level-tab-stop:none; |
---|
647 | mso-level-number-position:left; |
---|
648 | text-indent:-.25in;} |
---|
649 | @list l0:level2 |
---|
650 | {mso-level-number-format:alpha-lower; |
---|
651 | mso-level-tab-stop:none; |
---|
652 | mso-level-number-position:left; |
---|
653 | text-indent:-.25in;} |
---|
654 | @list l0:level3 |
---|
655 | {mso-level-number-format:roman-lower; |
---|
656 | mso-level-tab-stop:none; |
---|
657 | mso-level-number-position:right; |
---|
658 | text-indent:-9.0pt;} |
---|
659 | @list l0:level4 |
---|
660 | {mso-level-tab-stop:none; |
---|
661 | mso-level-number-position:left; |
---|
662 | text-indent:-.25in;} |
---|
663 | @list l0:level5 |
---|
664 | {mso-level-number-format:alpha-lower; |
---|
665 | mso-level-tab-stop:none; |
---|
666 | mso-level-number-position:left; |
---|
667 | text-indent:-.25in;} |
---|
668 | @list l0:level6 |
---|
669 | {mso-level-number-format:roman-lower; |
---|
670 | mso-level-tab-stop:none; |
---|
671 | mso-level-number-position:right; |
---|
672 | text-indent:-9.0pt;} |
---|
673 | @list l0:level7 |
---|
674 | {mso-level-tab-stop:none; |
---|
675 | mso-level-number-position:left; |
---|
676 | text-indent:-.25in;} |
---|
677 | @list l0:level8 |
---|
678 | {mso-level-number-format:alpha-lower; |
---|
679 | mso-level-tab-stop:none; |
---|
680 | mso-level-number-position:left; |
---|
681 | text-indent:-.25in;} |
---|
682 | @list l0:level9 |
---|
683 | {mso-level-number-format:roman-lower; |
---|
684 | mso-level-tab-stop:none; |
---|
685 | mso-level-number-position:right; |
---|
686 | text-indent:-9.0pt;} |
---|
687 | @list l1 |
---|
688 | {mso-list-id:257300979; |
---|
689 | mso-list-type:hybrid; |
---|
690 | mso-list-template-ids:-1964622610 67698703 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;} |
---|
691 | @list l1:level1 |
---|
692 | {mso-level-tab-stop:none; |
---|
693 | mso-level-number-position:left; |
---|
694 | text-indent:-.25in;} |
---|
695 | @list l1:level2 |
---|
696 | {mso-level-number-format:alpha-lower; |
---|
697 | mso-level-tab-stop:none; |
---|
698 | mso-level-number-position:left; |
---|
699 | text-indent:-.25in;} |
---|
700 | @list l1:level3 |
---|
701 | {mso-level-number-format:roman-lower; |
---|
702 | mso-level-tab-stop:none; |
---|
703 | mso-level-number-position:right; |
---|
704 | text-indent:-9.0pt;} |
---|
705 | @list l1:level4 |
---|
706 | {mso-level-tab-stop:none; |
---|
707 | mso-level-number-position:left; |
---|
708 | text-indent:-.25in;} |
---|
709 | @list l1:level5 |
---|
710 | {mso-level-number-format:alpha-lower; |
---|
711 | mso-level-tab-stop:none; |
---|
712 | mso-level-number-position:left; |
---|
713 | text-indent:-.25in;} |
---|
714 | @list l1:level6 |
---|
715 | {mso-level-number-format:roman-lower; |
---|
716 | mso-level-tab-stop:none; |
---|
717 | mso-level-number-position:right; |
---|
718 | text-indent:-9.0pt;} |
---|
719 | @list l1:level7 |
---|
720 | {mso-level-tab-stop:none; |
---|
721 | mso-level-number-position:left; |
---|
722 | text-indent:-.25in;} |
---|
723 | @list l1:level8 |
---|
724 | {mso-level-number-format:alpha-lower; |
---|
725 | mso-level-tab-stop:none; |
---|
726 | mso-level-number-position:left; |
---|
727 | text-indent:-.25in;} |
---|
728 | @list l1:level9 |
---|
729 | {mso-level-number-format:roman-lower; |
---|
730 | mso-level-tab-stop:none; |
---|
731 | mso-level-number-position:right; |
---|
732 | text-indent:-9.0pt;} |
---|
733 | @list l2 |
---|
734 | {mso-list-id:321734847; |
---|
735 | mso-list-type:hybrid; |
---|
736 | mso-list-template-ids:113260986 67698703 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;} |
---|
737 | @list l2:level1 |
---|
738 | {mso-level-tab-stop:none; |
---|
739 | mso-level-number-position:left; |
---|
740 | text-indent:-.25in;} |
---|
741 | @list l2:level2 |
---|
742 | {mso-level-number-format:alpha-lower; |
---|
743 | mso-level-tab-stop:none; |
---|
744 | mso-level-number-position:left; |
---|
745 | text-indent:-.25in;} |
---|
746 | @list l2:level3 |
---|
747 | {mso-level-number-format:roman-lower; |
---|
748 | mso-level-tab-stop:none; |
---|
749 | mso-level-number-position:right; |
---|
750 | text-indent:-9.0pt;} |
---|
751 | @list l2:level4 |
---|
752 | {mso-level-tab-stop:none; |
---|
753 | mso-level-number-position:left; |
---|
754 | text-indent:-.25in;} |
---|
755 | @list l2:level5 |
---|
756 | {mso-level-number-format:alpha-lower; |
---|
757 | mso-level-tab-stop:none; |
---|
758 | mso-level-number-position:left; |
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1042 | </head> |
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1043 | |
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1045 | |
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1046 | <div class=WordSection1> |
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1047 | |
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1048 | <h1>Sequential refinement of multiple datasets CuCr<sub>2</sub>O<sub>4</sub> |
---|
1049 | from 7 K to 300 K</h1> |
---|
1050 | |
---|
1051 | <p class=MsoNormal><o:p> </o:p></p> |
---|
1052 | |
---|
1053 | <p class=MsoNormal>Sequential refinement is a way to fit a series of datasets |
---|
1054 | with a set of closely related models that evolve over the course of the |
---|
1055 | measurements.<span style='mso-spacerun:yes'> </span>Sequential refinements can |
---|
1056 | be performed in three different ways: </p> |
---|
1057 | |
---|
1058 | <p class=MsoListParagraphCxSpFirst style='text-indent:-.25in;mso-list:l4 level1 lfo2'><![if !supportLists]><span |
---|
1059 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1060 | style='mso-list:Ignore'>(1)<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>with |
---|
1061 | differing starting parameters for each histogram</p> |
---|
1062 | |
---|
1063 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l4 level1 lfo2'><![if !supportLists]><span |
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1064 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1065 | style='mso-list:Ignore'>(2)<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>with |
---|
1066 | the same starting parameters for each histogram</p> |
---|
1067 | |
---|
1068 | <p class=MsoListParagraphCxSpLast style='text-indent:-.25in;mso-list:l4 level1 lfo2'><![if !supportLists]><span |
---|
1069 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1070 | style='mso-list:Ignore'>(3)<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span |
---|
1071 | class=GramE>where</span> the resulting parameters after refinement with a |
---|
1072 | histogram are used as the starting point for the next histogram.</p> |
---|
1073 | |
---|
1074 | <p class=MsoNormal><o:p> </o:p></p> |
---|
1075 | |
---|
1076 | <p class=MsoNormal>In this example, we will fit a temperature series. Note that |
---|
1077 | it is also possible to fit a temperature series as a combined refinement and, |
---|
1078 | as will be seen, one can still deal with thermal expansion (using the |
---|
1079 | Hydrostatic/Elastic strain terms), but a combined refinement would average the |
---|
1080 | atomic parameters across all temperatures. </p> |
---|
1081 | |
---|
1082 | <p class=MsoNormal><o:p> </o:p></p> |
---|
1083 | |
---|
1084 | <p class=MsoNormal>This example assumes that one is already familiar with use |
---|
1085 | of GSAS-II for simple refinements.</p> |
---|
1086 | |
---|
1087 | <h2>Step 1: Fit a single temperature. </h2> |
---|
1088 | |
---|
1089 | <p class=MsoNormal><o:p> </o:p></p> |
---|
1090 | |
---|
1091 | <p class=MsoListParagraphCxSpFirst style='text-indent:-.25in;mso-list:l6 level1 lfo4'><![if !supportLists]><span |
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1092 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1093 | style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> |
---|
1094 | </span></span></span><![endif]>Start GSAS-II</p> |
---|
1095 | |
---|
1096 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1097 | |
---|
1098 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l6 level1 lfo4'><![if !supportLists]><span |
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1099 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1100 | style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> |
---|
1101 | </span></span></span><![endif]><!--[if gte vml 1]><v:shapetype id="_x0000_t75" |
---|
1102 | coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" |
---|
1103 | filled="f" stroked="f"> |
---|
1104 | <v:stroke joinstyle="miter"/> |
---|
1105 | <v:formulas> |
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1106 | <v:f eqn="if lineDrawn pixelLineWidth 0"/> |
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1107 | <v:f eqn="sum @0 1 0"/> |
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---|
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1116 | <v:f eqn="prod @7 21600 pixelHeight"/> |
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1118 | </v:formulas> |
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1119 | <v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"/> |
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1120 | <o:lock v:ext="edit" aspectratio="t"/> |
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1121 | </v:shapetype><v:shape id="Picture_x0020_1" o:spid="_x0000_s1046" type="#_x0000_t75" |
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1122 | style='position:absolute;left:0;text-align:left;margin-left:151.8pt; |
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1127 | mso-position-horizontal-relative:margin;mso-position-vertical:bottom; |
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1128 | mso-position-vertical-relative:margin;mso-width-percent:0; |
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1129 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
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1130 | <v:imagedata src="SequentialTutorial_files/image001.png" o:title=""/> |
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1132 | </v:shape><![endif]--><![if !vml]><img width=271 height=93 |
---|
1133 | src="SequentialTutorial_files/image002.png" align=right hspace=12 v:shapes="Picture_x0020_1"><![endif]>Use |
---|
1134 | the <B>Import/Phase/from CIF file menu item</B> to read the phase information </p> |
---|
1135 | |
---|
1136 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
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1137 | |
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1138 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l6 level1 lfo4'><![if !supportLists]><span |
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1139 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1140 | style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'> |
---|
1141 | </span></span></span><![endif]>In the file browser dialog window that is |
---|
1142 | created, <B>change the file type from CIF file to zip archive</B> and <B>select <span |
---|
1143 | style='font-family:Courier'>SeqTut.zip</span> file</B> (change the file directory |
---|
1144 | to <b style='mso-bidi-font-weight:normal'><span style='font-family:"Calibri","sans-serif"; |
---|
1145 | mso-ascii-theme-font:major-latin;mso-hansi-theme-font:major-latin'>Exercises/sequential</span></b>). |
---|
1146 | Another dialog window will be created showing all the files in the zip archive. |
---|
1147 | To simplify the view to only show the phase files, type <span class=SpellE>cif</span> |
---|
1148 | (or CIF case is ignored) into the filter. <B>Select the <span |
---|
1149 | style='font-family:Courier'>CuCr2O4.cif</span> and the <span class=SpellE><span |
---|
1150 | style='font-family:Courier'>CuO.cif</span></span> input files. Press OK.</B> </p> |
---|
1151 | |
---|
1152 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1153 | |
---|
1154 | <p class=MsoListParagraphCxSpLast style='text-indent:-.25in;mso-list:l6 level1 lfo4'><![if !supportLists]><span |
---|
1155 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1156 | style='mso-list:Ignore'>4.<span style='font:7.0pt "Times New Roman"'> |
---|
1157 | </span></span></span><![endif]>You will be asked sequentially for the name for |
---|
1158 | each phase. The defaults (CuCr2O4 and <span class=SpellE>CuO</span>) are fine, |
---|
1159 | so <B>OK can be pressed for each question</B>.<span style='mso-spacerun:yes'> |
---|
1160 | </span>(Note that if files CuCr2O4.cif or the <span class=SpellE>CuO.cif</span> |
---|
1161 | already exist, you will be asked to OK overwriting them.)</p> |
---|
1162 | |
---|
1163 | <p class=MsoNormal><o:p> </o:p></p> |
---|
1164 | |
---|
1165 | <p class=MsoListParagraphCxSpFirst style='text-indent:-.25in;mso-list:l6 level1 lfo4'><![if !supportLists]><span |
---|
1166 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1167 | style='mso-list:Ignore'>5.<span style='font:7.0pt "Times New Roman"'> |
---|
1168 | </span></span></span><![endif]><!--[if gte vml 1]><v:shape id="Picture_x0020_21" |
---|
1169 | o:spid="_x0000_s1045" type="#_x0000_t75" style='position:absolute;left:0; |
---|
1170 | text-align:left;margin-left:161.8pt;margin-top:0;width:213pt;height:89pt; |
---|
1171 | z-index:251675648;visibility:visible;mso-wrap-style:square; |
---|
1172 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
1173 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
1174 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
1175 | mso-position-horizontal-relative:margin;mso-position-vertical:bottom; |
---|
1176 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
1177 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
---|
1178 | <v:imagedata src="SequentialTutorial_files/image003.png" o:title=""/> |
---|
1179 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
1180 | </v:shape><![endif]--><![if !vml]><img |
---|
1181 | src="SequentialTutorial_files/image004.png" align=right hspace=12 v:shapes="Picture_x0020_21"><![endif]><span |
---|
1182 | style='mso-spacerun:yes'> </span>Read in the ~7 K dataset (OH_00.fxye) using |
---|
1183 | <B>Import/Powder Data/from GSAS powder data file</B> to open a file browser. Again |
---|
1184 | <B>select zip archive and the <span style='font-family:Courier'>SeqTut.zip</span> |
---|
1185 | file. Select file <span style='font-family:Courier'>OH_00.fxye</span></B> (use of |
---|
1186 | the filter can again be helpful) and <B>press OK</B>. </p> |
---|
1187 | |
---|
1188 | <p class=MsoListParagraphCxSpMiddle><!--[if gte vml 1]><o:wrapblock><v:shape |
---|
1189 | id="Picture_x0020_3" o:spid="_x0000_s1044" type="#_x0000_t75" style='position:absolute; |
---|
1190 | left:0;text-align:left;margin-left:36pt;margin-top:0;width:161.7pt;height:157.3pt; |
---|
1191 | z-index:251676672;visibility:visible;mso-wrap-style:square; |
---|
1192 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
1193 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
1194 | mso-wrap-distance-bottom:0;mso-position-horizontal:absolute; |
---|
1195 | mso-position-horizontal-relative:text;mso-position-vertical:absolute; |
---|
1196 | mso-position-vertical-relative:text;mso-width-percent:0;mso-height-percent:0; |
---|
1197 | mso-width-relative:page;mso-height-relative:page'> |
---|
1198 | <v:imagedata src="SequentialTutorial_files/image005.png" o:title=""/> |
---|
1199 | <w:wrap type="topAndBottom"/> |
---|
1200 | </v:shape><![endif]--><![if !vml]><span style='mso-ignore:vglayout'> |
---|
1201 | <table cellpadding=0 cellspacing=0> |
---|
1202 | <tr> |
---|
1203 | <td width=48 height=0></td> |
---|
1204 | </tr> |
---|
1205 | <tr> |
---|
1206 | <td></td> |
---|
1207 | <td><img width=216 height=210 src="SequentialTutorial_files/image006.png" |
---|
1208 | v:shapes="Picture_x0020_3"></td> |
---|
1209 | </tr> |
---|
1210 | </table> |
---|
1211 | </span><![endif]><!--[if gte vml 1]></o:wrapblock><![endif]--><br |
---|
1212 | style='mso-ignore:vglayout' clear=ALL> |
---|
1213 | You will be shown the first few lines from the file. Confirm that the selected |
---|
1214 | file is correct by <B>pressing OK.</B> </p> |
---|
1215 | |
---|
1216 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
1217 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_1" o:spid="_x0000_i1057" |
---|
1218 | type="#_x0000_t75" style='width:237.75pt;height:125.25pt;visibility:visible; |
---|
1219 | mso-wrap-style:square'> |
---|
1220 | <v:imagedata src="SequentialTutorial_files/image007.png" o:title=""/> |
---|
1221 | </v:shape><![endif]--><![if !vml]><img width=317 height=167 |
---|
1222 | src="SequentialTutorial_files/image008.png" v:shapes="Picture_x0020_1"><![endif]></span></p> |
---|
1223 | |
---|
1224 | <p class=MsoListParagraphCxSpMiddle>Note that the instrument parameter file |
---|
1225 | with the matching name (<span style='font-family:Courier'>OH_00.prm</span>) is |
---|
1226 | read automatically. </p> |
---|
1227 | |
---|
1228 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1229 | |
---|
1230 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l6 level1 lfo4'><![if !supportLists]><span |
---|
1231 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1232 | style='mso-list:Ignore'>6.<span style='font:7.0pt "Times New Roman"'> |
---|
1233 | </span></span></span><![endif]>Map the phases to the data: After reading in the |
---|
1234 | dataset, a window used to select phases is shown. <B>Select both phases and press |
---|
1235 | OK.</B><span style='mso-spacerun:yes'> </span></p> |
---|
1236 | |
---|
1237 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
1238 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_7" o:spid="_x0000_i1056" |
---|
1239 | type="#_x0000_t75" style='width:176.25pt;height:146.25pt;visibility:visible; |
---|
1240 | mso-wrap-style:square'> |
---|
1241 | <v:imagedata src="SequentialTutorial_files/image009.png" o:title=""/> |
---|
1242 | </v:shape><![endif]--><![if !vml]><img width=235 height=195 |
---|
1243 | src="SequentialTutorial_files/image010.png" v:shapes="Picture_x0020_7"><![endif]></span></p> |
---|
1244 | |
---|
1245 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1246 | |
---|
1247 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l6 level1 lfo4'><![if !supportLists]><span |
---|
1248 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1249 | style='mso-list:Ignore'>7.<span style='font:7.0pt "Times New Roman"'> |
---|
1250 | </span></span></span><![endif]><!--[if gte vml 1]><v:shape id="Picture_x0020_4" |
---|
1251 | o:spid="_x0000_s1043" type="#_x0000_t75" style='position:absolute;left:0; |
---|
1252 | text-align:left;margin-left:199.05pt;margin-top:0;width:250.25pt;height:127.15pt; |
---|
1253 | z-index:251677696;visibility:visible;mso-wrap-style:square; |
---|
1254 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
1255 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
1256 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
1257 | mso-position-horizontal-relative:margin;mso-position-vertical:bottom; |
---|
1258 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
1259 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
---|
1260 | <v:imagedata src="SequentialTutorial_files/image011.png" o:title=""/> |
---|
1261 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
1262 | </v:shape><![endif]--><![if !vml]><img width=334 height=170 |
---|
1263 | src="SequentialTutorial_files/image012.png" align=right hspace=12 v:shapes="Picture_x0020_4"><![endif]>We |
---|
1264 | want to fit the lattice parameters, background, and a phase fraction |
---|
1265 | initially.<span style='mso-spacerun:yes'> </span>To illustrate how constraints |
---|
1266 | are used, we will refine both phase fractions, but constrain their sum to be |
---|
1267 | one. To set up the constraint, <B>click on the Constraints item</B> in the data tree |
---|
1268 | and the <B>Select tab/Histogram/Phase menu<span style='mso-spacerun:yes'> |
---|
1269 | </span>item</B>, and then <B>click on the Edit/Add constraint menu item.</B></p> |
---|
1270 | |
---|
1271 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
1272 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_5" o:spid="_x0000_i1055" |
---|
1273 | type="#_x0000_t75" style='width:78pt;height:54pt;visibility:visible; |
---|
1274 | mso-wrap-style:square'> |
---|
1275 | <v:imagedata src="SequentialTutorial_files/image013.png" o:title=""/> |
---|
1276 | </v:shape><![endif]--><![if !vml]><img |
---|
1277 | src="SequentialTutorial_files/image014.png" v:shapes="Picture_x0020_5"><![endif]></span><span |
---|
1278 | style='mso-spacerun:yes'> </span></p> |
---|
1279 | |
---|
1280 | <p class=MsoListParagraphCxSpMiddle>In the next window, <B>select the phase |
---|
1281 | fraction for the first phase <span style='font-family:Courier'>0:0:Scale</span></B> |
---|
1282 | (the second, <span style='font-family:Courier'>1:0:Scale,</span> would work |
---|
1283 | too) </p> |
---|
1284 | |
---|
1285 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
1286 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_8" o:spid="_x0000_i1054" |
---|
1287 | type="#_x0000_t75" style='width:327.75pt;height:129pt;visibility:visible; |
---|
1288 | mso-wrap-style:square'> |
---|
1289 | <v:imagedata src="SequentialTutorial_files/image015.png" o:title=""/> |
---|
1290 | </v:shape><![endif]--><![if !vml]><img width=437 height=172 |
---|
1291 | src="SequentialTutorial_files/image016.png" v:shapes="Picture_x0020_8"><![endif]></span><span |
---|
1292 | style='mso-spacerun:yes'> </span></p> |
---|
1293 | |
---|
1294 | <p class=MsoListParagraphCxSpMiddle>In the next window, either <B>select the other |
---|
1295 | phase fraction (<span style='font-family:Courier'>1:0<span class=GramE>:Scale</span>)</span><span |
---|
1296 | style='mso-ascii-font-family:Cambria;mso-ascii-theme-font:minor-latin; |
---|
1297 | mso-hansi-font-family:Cambria;mso-hansi-theme-font:minor-latin'></B> or select all |
---|
1298 | phases (</span><span style='font-family:Courier'>all:0:Scale</span><span |
---|
1299 | style='mso-ascii-font-family:Cambria;mso-ascii-theme-font:minor-latin; |
---|
1300 | mso-hansi-font-family:Cambria;mso-hansi-theme-font:minor-latin'>)<o:p></o:p></span></p> |
---|
1301 | |
---|
1302 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
1303 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_10" o:spid="_x0000_i1053" |
---|
1304 | type="#_x0000_t75" style='width:338.25pt;height:129.75pt;visibility:visible; |
---|
1305 | mso-wrap-style:square'> |
---|
1306 | <v:imagedata src="SequentialTutorial_files/image017.png" o:title=""/> |
---|
1307 | </v:shape><![endif]--><![if !vml]><img width=451 height=173 |
---|
1308 | src="SequentialTutorial_files/image018.png" v:shapes="Picture_x0020_10"><![endif]></span></p> |
---|
1309 | |
---|
1310 | <p class=MsoListParagraphCxSpMiddle>This creates the desired constraint, which |
---|
1311 | forces the sum to be 1. (If the desired sum was different or different |
---|
1312 | multipliers were desired, press Edit for the constraint.) </p> |
---|
1313 | |
---|
1314 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
1315 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_11" o:spid="_x0000_i1052" |
---|
1316 | type="#_x0000_t75" style='width:254.25pt;height:129pt;visibility:visible; |
---|
1317 | mso-wrap-style:square'> |
---|
1318 | <v:imagedata src="SequentialTutorial_files/image019.png" o:title=""/> |
---|
1319 | </v:shape><![endif]--><![if !vml]><img width=339 height=172 |
---|
1320 | src="SequentialTutorial_files/image020.png" v:shapes="Picture_x0020_11"><![endif]></span></p> |
---|
1321 | |
---|
1322 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1323 | |
---|
1324 | <p class=MsoListParagraphCxSpLast style='text-indent:-.25in;mso-list:l6 level1 lfo4'><![if !supportLists]><span |
---|
1325 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1326 | style='mso-list:Ignore'>8.<span style='font:7.0pt "Times New Roman"'> |
---|
1327 | </span></span></span><![endif]>Now we select the variables to refine. </p> |
---|
1328 | |
---|
1329 | <p class=MsoNormal><o:p> </o:p></p> |
---|
1330 | |
---|
1331 | <p class=MsoListParagraphCxSpFirst><B>Click on the first phase</B> (CuCr2O4) <B>click on |
---|
1332 | the refine unit cell option</B> (on the General tab). (You will likely need to |
---|
1333 | click on the triangle to the left of the Phase entry to open the tree item. |
---|
1334 | We also want to refine the phase fraction |
---|
1335 | for this phase, so <B>move to the Data tab, click on show PWDR OH_00.fxye Bank 1</B> |
---|
1336 | and <B>click on the Phase fraction box</B> to cause that to be refined.<span |
---|
1337 | style='mso-spacerun:yes'> </span></p> |
---|
1338 | |
---|
1339 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
1340 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="_x0000_i1050" type="#_x0000_t75" |
---|
1341 | style='width:260.25pt;height:99pt;visibility:visible;mso-wrap-style:square'> |
---|
1342 | <v:imagedata src="SequentialTutorial_files/image023.png" o:title=""/> |
---|
1343 | </v:shape><![endif]--><![if !vml]><img |
---|
1344 | src="SequentialTutorial_files/image024.png" v:shapes="_x0000_i1050"><![endif]></span></p> |
---|
1345 | |
---|
1346 | <p class=MsoListParagraphCxSpMiddle>Repeat this with the second phase (<span |
---|
1347 | class=SpellE>CuO</span>), by <B>clicking on the second phase</B> in the data tree. Then |
---|
1348 | <B>click on the General tab</B> and on <B>the refine unit cell</B> option. We also want to |
---|
1349 | refine the phase fraction for this phase, so <B>move to the Data tab, click on |
---|
1350 | show PWDR OH_00.fxye Bank 1</B> and <B>click on the Phase fraction box</B> to cause that |
---|
1351 | to be refined.<span style='mso-spacerun:yes'> </span>Also <B>click on |
---|
1352 | the single microstrain</B> |
---|
1353 | (isotropic) term for this second phase.</p> |
---|
1354 | |
---|
1355 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1356 | |
---|
1357 | <p class=MsoListParagraphCxSpMiddle><!--[if gte vml 1]><v:shape id="Picture_x0020_14" |
---|
1358 | o:spid="_x0000_s1042" type="#_x0000_t75" style='position:absolute;left:0; |
---|
1359 | text-align:left;margin-left:208.5pt;margin-top:891.2pt;width:259.7pt;height:92.55pt; |
---|
1360 | z-index:251678720;visibility:visible;mso-wrap-style:square; |
---|
1361 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
1362 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
1363 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
1364 | mso-position-horizontal-relative:margin;mso-position-vertical:absolute; |
---|
1365 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
1366 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
---|
1367 | <v:imagedata src="SequentialTutorial_files/image025.png" o:title=""/> |
---|
1368 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
1369 | </v:shape><![endif]--><![if !vml]><img width=346 height=123 |
---|
1370 | src="SequentialTutorial_files/image026.png" align=right hspace=12 v:shapes="Picture_x0020_14"><![endif]>Also |
---|
1371 | <B>click on the Background entry</B> for the PWDR OH_00.fxye Bank 1 entry in the data |
---|
1372 | tree (you will likely need to click on the triangle to the left of the entry to |
---|
1373 | open the tree item.) Confirm that Background function should already be set |
---|
1374 | as <span class=SpellE>chebyshev</span> and the Refine flag should be checked. |
---|
1375 | <B>Change the No. <span class=SpellE>coeff</span>. entry from 3 to 6</B> to |
---|
1376 | introduce more background terms. </p> |
---|
1377 | |
---|
1378 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1379 | |
---|
1380 | <p class=MsoListParagraphCxSpMiddle>The histogram scale factor, on the Sample |
---|
1381 | Parameters entry should already be set as refined by default, but you may want |
---|
1382 | to confirm this.</p> |
---|
1383 | |
---|
1384 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1385 | |
---|
1386 | <p class=MsoListParagraphCxSpMiddle>Finally, note that the first broad peak in |
---|
1387 | these data is spurious. It is known to arise from the <span class=SpellE>kapton</span> |
---|
1388 | window in the cryostat used for sample cooling; this was confirmed by collecting |
---|
1389 | data without a sample. We could model this peak, but it is easier to simply |
---|
1390 | drop the data below the first peak at ~5 degrees. To do this, <B>click on the |
---|
1391 | Limits entry</B> for the PWDR OH_00.fxye Bank 1 entry in the data tree and in the <span |
---|
1392 | class=SpellE>Tmin</span>/changed box (to lower left) <B>change the initial value |
---|
1393 | of 0.5 degrees to 3.0.</B> <i style='mso-bidi-font-style:normal'><u>Important</u></i>: |
---|
1394 | click on some other box in the window after editing the contents so that the |
---|
1395 | change registers. </p> |
---|
1396 | |
---|
1397 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1398 | |
---|
1399 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l6 level1 lfo4'><![if !supportLists]><span |
---|
1400 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1401 | style='mso-list:Ignore'>9.<span style='font:7.0pt "Times New Roman"'> |
---|
1402 | </span></span></span><![endif]><!--[if gte vml 1]><v:shape id="Picture_x0020_15" |
---|
1403 | o:spid="_x0000_s1041" type="#_x0000_t75" style='position:absolute;left:0; |
---|
1404 | text-align:left;margin-left:102.2pt;margin-top:-53.75pt;width:153.4pt; |
---|
1405 | height:236.55pt;z-index:251679744;visibility:visible;mso-wrap-style:square; |
---|
1406 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
1407 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
1408 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
1409 | mso-position-horizontal-relative:margin;mso-position-vertical:absolute; |
---|
1410 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
1411 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
---|
1412 | <v:imagedata src="SequentialTutorial_files/image027.png" o:title=""/> |
---|
1413 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
1414 | </v:shape><![endif]--><![if !vml]><img width=205 height=315 |
---|
1415 | src="SequentialTutorial_files/image028.png" align=right hspace=12 v:shapes="Picture_x0020_15"><![endif]>Optional: |
---|
1416 | confirm that the initial parameters have been selected correctly for refinement |
---|
1417 | using <B>the Calculate/View LS <span class=SpellE>parms</span> menu item</B>. There |
---|
1418 | will be 15 refined parameters: <span style='font-family:Courier'>0::A</span>x |
---|
1419 | (x=0,1,2) and <span style='font-family:Courier'>1::A</span>x (x=0,1,2,4), the |
---|
1420 | reciprocal lattice metric terms for each phase; <span style='font-family:Courier'>:0:Scale</span>, |
---|
1421 | the histogram scale factor, <span style='font-family:Courier'>:0:Back:</span>x |
---|
1422 | (x=0-5), the six background coefficients and <span style='font-family:Courier'>::constr0</span> |
---|
1423 | which is generated from the constraints. The phase factors, x<span class=GramE><span |
---|
1424 | style='font-family:Courier'>:0:Scale</span></span> (x=1,2) are shown as |
---|
1425 | constrained. </p> |
---|
1426 | |
---|
1427 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1428 | |
---|
1429 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1430 | |
---|
1431 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l6 level1 lfo4'><![if !supportLists]><span |
---|
1432 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1433 | style='mso-list:Ignore'>10.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><B>Use |
---|
1434 | the Calculate/Refine menu item</B> to initiate the refinement. Since the project has |
---|
1435 | not been saved, you will be asked to select a name (and optionally a directory) |
---|
1436 | for the GSAS-II project (.<span class=SpellE>gpx</span>) file.<span |
---|
1437 | style='mso-spacerun:yes'> </span>The file name <span class=SpellE><span |
---|
1438 | style='font-family:Courier'>SeqTut.gpx</span></span> is assumed here. The |
---|
1439 | refinement progresses quickly to <span class=GramE>a</span> <span class=SpellE>Rw</span> |
---|
1440 | of ~19%. </p> |
---|
1441 | |
---|
1442 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1443 | |
---|
1444 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l6 level1 lfo4'><![if !supportLists]><span |
---|
1445 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1446 | style='mso-list:Ignore'>11.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>There |
---|
1447 | are several additional variables that should now be added. One should always |
---|
1448 | refine a zero correction or sample displacement parameter. In this case, the |
---|
1449 | best choice is to <B>add the Sample X <span class=SpellE>displ</span>. <span class=GramE>parameter</span></B> |
---|
1450 | on the Sample Parameters section of histogram PWDR OH_00.fxye Bank 1. (Note |
---|
1451 | that data range >>90 degrees is needed before the Sample Y <span |
---|
1452 | class=SpellE>displ</span>. term can be included.) Note that since this |
---|
1453 | instrument is very well characterized, there is no need to refine any of the |
---|
1454 | instrumental terms. </p> |
---|
1455 | |
---|
1456 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1457 | |
---|
1458 | <p class=MsoListParagraphCxSpMiddle><!--[if gte vml 1]><v:shape id="Picture_x0020_13" |
---|
1459 | o:spid="_x0000_s1040" type="#_x0000_t75" style='position:absolute;left:0; |
---|
1460 | text-align:left;margin-left:230.4pt;margin-top:0;width:281.6pt;height:130.65pt; |
---|
1461 | z-index:251666432;visibility:visible;mso-wrap-style:square; |
---|
1462 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
1463 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
1464 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
1465 | mso-position-horizontal-relative:margin;mso-position-vertical:bottom; |
---|
1466 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
1467 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
---|
1468 | <v:imagedata src="SequentialTutorial_files/image029.png" o:title=""/> |
---|
1469 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
1470 | </v:shape><![endif]--><![if !vml]><img width=375 height=174 |
---|
1471 | src="SequentialTutorial_files/image030.png" align=right hspace=12 v:shapes="Picture_x0020_13"><![endif]><B>Clicking |
---|
1472 | on the PWDR OH_00.fxye Bank 1 entry</B> shows the Rietveld plot and zooming in on |
---|
1473 | different regions of the pattern provides insight on how the fit could be |
---|
1474 | improved. The background is not well fit in the low angle range and examination |
---|
1475 | shows a hump of low-angle scattering from ~4.5 to 6 degrees. This is more |
---|
1476 | easily fit by adding a background peak than extra terms to the background |
---|
1477 | function. <B>Select the Background item</B> in histogram PWDR OH_00.fxye Bank 1 and |
---|
1478 | <B>change the Peaks in Background from 0 to 1.</B><span style='mso-spacerun:yes'> |
---|
1479 | </span><B>Change the peak position</B> to the approximate peak center (5.25 degrees) |
---|
1480 | and <B>set the intensity and Gaussian width (sig) to be refined</B>.<span |
---|
1481 | style='mso-spacerun:yes'> </span><i style='mso-bidi-font-style:normal'><u>Important</u></i>: |
---|
1482 | note that one must click on another box to ensure that input is recorded. </p> |
---|
1483 | |
---|
1484 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1485 | |
---|
1486 | <p class=MsoListParagraphCxSpMiddle>Once the fit has been improved we can then |
---|
1487 | add the position of this peak to the fit. </p> |
---|
1488 | |
---|
1489 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1490 | |
---|
1491 | <p class=MsoListParagraphCxSpMiddle><!--[if gte vml 1]><v:shape id="Picture_x0020_16" |
---|
1492 | o:spid="_x0000_s1039" type="#_x0000_t75" style='position:absolute;left:0; |
---|
1493 | text-align:left;margin-left:211.1pt;margin-top:0;width:262.3pt;height:253.7pt; |
---|
1494 | z-index:251680768;visibility:visible;mso-wrap-style:square; |
---|
1495 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
1496 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
1497 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
1498 | mso-position-horizontal-relative:margin;mso-position-vertical:bottom; |
---|
1499 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
1500 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
---|
1501 | <v:imagedata src="SequentialTutorial_files/image031.png" o:title=""/> |
---|
1502 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
1503 | </v:shape><![endif]--><![if !vml]><img width=350 height=338 |
---|
1504 | src="SequentialTutorial_files/image032.png" align=right hspace=12 v:shapes="Picture_x0020_16"><![endif]>While |
---|
1505 | in other projects I might postpone this until later, we can also start on |
---|
1506 | improving the peak fit. We will do this by varying the sample broadening for |
---|
1507 | the major phase (since the instrumental terms are very good.) <B>Click on the |
---|
1508 | first phase (CuCr2O4)</B> and <B>Data tab</B>, <B>click on the <span class=SpellE>Cryst</span>. |
---|
1509 | <span class=GramE>Size and <span class=SpellE>microstrain</span> parameters</B> to |
---|
1510 | add those parameters to the fit.</span><span style='mso-spacerun:yes'> </span></p> |
---|
1511 | |
---|
1512 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1513 | |
---|
1514 | <p class=MsoListParagraphCxSpMiddle>There are now 20 refined parameters and a |
---|
1515 | repeat of the fitting (Use the Calculate/Refine menu item) causes the fit to |
---|
1516 | improve to a <span class=SpellE>wR</span> of ~16.</p> |
---|
1517 | |
---|
1518 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1519 | |
---|
1520 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l6 level1 lfo4'><![if !supportLists]><span |
---|
1521 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1522 | style='mso-list:Ignore'>12.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>We |
---|
1523 | can now <B>include the position flag for the background peak</B> in the refinement. Do |
---|
1524 | this using the Background item, as before. Be sure to click on some other box |
---|
1525 | after clicking on the refine flag, so that the setting is recorded. </p> |
---|
1526 | |
---|
1527 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1528 | |
---|
1529 | <p class=MsoListParagraphCxSpMiddle>Close examination of the pattern shows that |
---|
1530 | the peak widths are still not as well fit as desired. Since strain broadening |
---|
1531 | seems more significant that sample broadening, we could use an anisotropic |
---|
1532 | strain model. Rather than choosing the relative complex generalized model, we |
---|
1533 | can introduce only two terms with the uniaxial model.<span |
---|
1534 | style='mso-spacerun:yes'> </span>Trial and error will show that the 010 |
---|
1535 | direction works best. Click on the first phase (CuCr2O4) and Data tab and |
---|
1536 | <B>select uniaxial</B> for the <span class=SpellE>Mustrain</span> model and <B>use 0 1 |
---|
1537 | 0 for the Unique axis</B>, <span class=GramE>HKL .</span> <span class=GramE><B>Select |
---|
1538 | refinement for both Equatorial and Axial <span class=SpellE>mustrain</span>.</span></B> |
---|
1539 | </p> |
---|
1540 | |
---|
1541 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1542 | |
---|
1543 | <p class=MsoListParagraphCxSpMiddle>Repeating the refinement causes the <span |
---|
1544 | class=SpellE>wR</span> to drop to ~14%. Clicking on the Covariance data tree |
---|
1545 | item shows that the goodness of fit (GOF) is 1.1 (corresponding to a reduced <b |
---|
1546 | style='mso-bidi-font-weight:normal'><span style='font-family:"Lucida Grande"; |
---|
1547 | color:black'>χ</span></b><sup>2</sup> of 1.2) with 23 refined parameters. |
---|
1548 | While atomic parameters could now be refined, as shown in the plot, this is |
---|
1549 | clearly a good enough place to start refinement with all the datasets. </p> |
---|
1550 | |
---|
1551 | <p class=MsoListParagraphCxSpLast><span style='mso-fareast-language:EN-US; |
---|
1552 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_15" o:spid="_x0000_i1049" |
---|
1553 | type="#_x0000_t75" style='width:339.75pt;height:255pt;visibility:visible; |
---|
1554 | mso-wrap-style:square'> |
---|
1555 | <v:imagedata src="SequentialTutorial_files/image033.png" o:title=""/> |
---|
1556 | </v:shape><![endif]--><![if !vml]><img |
---|
1557 | src="SequentialTutorial_files/image034.png" v:shapes="Picture_x0020_15"><![endif]></span></p> |
---|
1558 | |
---|
1559 | <h2>Step 2: Prepare for sequential fit. </h2> |
---|
1560 | |
---|
1561 | <p class=MsoListParagraph><o:p> </o:p></p> |
---|
1562 | |
---|
1563 | <p class=MsoNormal>There is one significant difference between fitting a |
---|
1564 | sequence of datasets versus fitting a single data set. Rather than fitting |
---|
1565 | lattice constants (for which there will be only one set for each phase in the |
---|
1566 | entire refinement), we will use the Hydrostatic/Elastic strain terms |
---|
1567 | (parameters <p<span class=GramE>>:</span><h>:<span class=SpellE>Dxx</span>) |
---|
1568 | to treat the change in lattice parameters. These items describe the change in |
---|
1569 | lattice parameters and appear in the Phase Data tab, where there is a set for |
---|
1570 | each histogram assigned to the phase. We will make a switch to use this for the |
---|
1571 | current dataset, in preparation for the sequential refinement with all |
---|
1572 | datasets. </p> |
---|
1573 | |
---|
1574 | <p class=MsoNormal><o:p> </o:p></p> |
---|
1575 | |
---|
1576 | <p class=MsoNormal>Also at this point we will temporarily remove variables that |
---|
1577 | could prevent the fit from diverging as the lattice constants shift. As an |
---|
1578 | example, when initially fitting a model with peaks that overlap with the |
---|
1579 | observed peaks, but not very well, the fit might be improved by a change in the |
---|
1580 | phase fractions (that might eliminate our impurity <span class=SpellE>CuO</span> |
---|
1581 | phase) or make peaks quite a bit more broad than appropriate, these changes are |
---|
1582 | improbable and could result in a model that is less correct than the starting |
---|
1583 | point. In such cases the best-fit model may never be found. Accordingly, we |
---|
1584 | will turn off refinement of all parameters except those that determine peak |
---|
1585 | positions (the <span class=SpellE>Dxx</span> terms) and the overall scale |
---|
1586 | factor. We might include the background terms since they are unlikely to affect |
---|
1587 | convergence. </p> |
---|
1588 | |
---|
1589 | <p class=MsoNormal><span style='mso-spacerun:yes'> </span></p> |
---|
1590 | |
---|
1591 | <p class=MsoListParagraphCxSpFirst style='text-indent:-.25in;mso-list:l7 level1 lfo6'><![if !supportLists]><span |
---|
1592 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1593 | style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> |
---|
1594 | </span></span></span><![endif]><B>Click on the first phase (CuCr2O4) and on the |
---|
1595 | General tab</B>, click on the refine unit cell option to <B>turn off refinement</B>. </p> |
---|
1596 | |
---|
1597 | <p class=MsoListParagraphCxSpMiddle><span style='mso-spacerun:yes'> </span><span |
---|
1598 | style='mso-fareast-language:EN-US;mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
---|
1599 | id="_x0000_i1048" type="#_x0000_t75" style='width:404.25pt;height:86.25pt; |
---|
1600 | visibility:visible;mso-wrap-style:square'> |
---|
1601 | <v:imagedata src="SequentialTutorial_files/image035.png" o:title=""/> |
---|
1602 | </v:shape><![endif]--><![if !vml]><img width=539 height=115 |
---|
1603 | src="SequentialTutorial_files/image036.png" v:shapes="_x0000_i1048"><![endif]></span></p> |
---|
1604 | |
---|
1605 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1606 | |
---|
1607 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l7 level1 lfo6'><![if !supportLists]><span |
---|
1608 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1609 | style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> |
---|
1610 | </span></span></span><![endif]>On the Data tab, <B>click on the D11, D22 and D33 |
---|
1611 | terms</B> to refine the lattice strain terms. While here, to simplify convergence |
---|
1612 | for the sequential refinement, where lattice constants change significantly, |
---|
1613 | <B>turn off the refinement of the three peak width terms and the phase fraction</B>. </p> |
---|
1614 | |
---|
1615 | <p class=MsoListParagraphCxSpMiddle><span style='mso-spacerun:yes'> </span><span |
---|
1616 | style='mso-fareast-language:EN-US;mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
---|
1617 | id="Picture_x0020_72" o:spid="_x0000_i1047" type="#_x0000_t75" style='width:264.75pt; |
---|
1618 | height:254.25pt;visibility:visible;mso-wrap-style:square'> |
---|
1619 | <v:imagedata src="SequentialTutorial_files/image037.png" o:title=""/> |
---|
1620 | </v:shape><![endif]--><![if !vml]><img width=353 height=339 |
---|
1621 | src="SequentialTutorial_files/image038.png" v:shapes="Picture_x0020_72"><![endif]></span></p> |
---|
1622 | |
---|
1623 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1624 | |
---|
1625 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l7 level1 lfo6'><![if !supportLists]><span |
---|
1626 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1627 | style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'> |
---|
1628 | </span></span></span><![endif]><B>Click on the second phase</B> (<span class=SpellE>CuO</span>) |
---|
1629 | and on the <B>General tab</B>, click on the <B>refine unit cell option</B> to turn off |
---|
1630 | refinement. </p> |
---|
1631 | |
---|
1632 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1633 | |
---|
1634 | <p class=MsoListParagraphCxSpMiddle>On the <B>Data tab</B> for <span class=SpellE>CuO</span>, |
---|
1635 | <B>click on the D11, D22, and D33 terms</B> to refine the lattice strain terms and |
---|
1636 | <B>turn off refinement of the phase fraction</B>.<span style='mso-spacerun:yes'> |
---|
1637 | </span>We could refine the D13 term (which corresponds to the <span |
---|
1638 | class=SpellE>CuO</span> β* angle), but we do not expect this to change |
---|
1639 | much and expect the refinement to be relatively insensitive to this, due to the |
---|
1640 | small number of <span class=SpellE>CuO</span> peaks that are in the pattern.)</p> |
---|
1641 | |
---|
1642 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1643 | |
---|
1644 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
1645 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_71" o:spid="_x0000_i1046" |
---|
1646 | type="#_x0000_t75" style='width:264pt;height:252.75pt;visibility:visible; |
---|
1647 | mso-wrap-style:square'> |
---|
1648 | <v:imagedata src="SequentialTutorial_files/image039.png" o:title="" croptop="2615f" |
---|
1649 | cropbottom="5827f" cropleft="4311f" cropright="4217f"/> |
---|
1650 | </v:shape><![endif]--><![if !vml]><img width=352 height=337 |
---|
1651 | src="SequentialTutorial_files/image040.png" v:shapes="Picture_x0020_71"><![endif]></span></p> |
---|
1652 | |
---|
1653 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1654 | |
---|
1655 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l7 level1 lfo6'><![if !supportLists]><span |
---|
1656 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1657 | style='mso-list:Ignore'>4.<span style='font:7.0pt "Times New Roman"'> |
---|
1658 | </span></span></span><![endif]>Also at this stage, <B>turn off the all the |
---|
1659 | background refinement terms</B> by clicking on Background on the histogram tree |
---|
1660 | item and removing checks from all items (be sure to click elsewhere in the |
---|
1661 | window before going on to the next step.) </p> |
---|
1662 | |
---|
1663 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1664 | |
---|
1665 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
1666 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_13" o:spid="_x0000_i1045" |
---|
1667 | type="#_x0000_t75" style='width:290.25pt;height:134.25pt;visibility:visible; |
---|
1668 | mso-wrap-style:square'> |
---|
1669 | <v:imagedata src="SequentialTutorial_files/image041.png" o:title="" croptop="4264f" |
---|
1670 | cropbottom="9111f" cropleft="3592f" cropright="4103f"/> |
---|
1671 | </v:shape><![endif]--><![if !vml]><img width=387 height=179 |
---|
1672 | src="SequentialTutorial_files/image042.png" v:shapes="Picture_x0020_13"><![endif]></span></p> |
---|
1673 | |
---|
1674 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1675 | |
---|
1676 | <p class=MsoListParagraphCxSpMiddle><!--[if gte vml 1]><v:shape id="Picture_x0020_33" |
---|
1677 | o:spid="_x0000_s1038" type="#_x0000_t75" style='position:absolute;left:0; |
---|
1678 | text-align:left;margin-left:126.25pt;margin-top:0;width:177.45pt;height:234pt; |
---|
1679 | z-index:251684864;visibility:visible;mso-wrap-style:square; |
---|
1680 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
1681 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
1682 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
1683 | mso-position-horizontal-relative:margin;mso-position-vertical:bottom; |
---|
1684 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
1685 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
---|
1686 | <v:imagedata src="SequentialTutorial_files/image043.png" o:title="" croptop="2496f" |
---|
1687 | cropbottom="6233f" cropleft="6198f" cropright="5868f"/> |
---|
1688 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
1689 | </v:shape><![endif]--><![if !vml]><img width=237 height=312 |
---|
1690 | src="SequentialTutorial_files/image044.png" align=right hspace=12 v:shapes="Picture_x0020_33"><![endif]>Likewise, |
---|
1691 | for the histogram Sample Parameters, <B>turn off the Sample Displacement |
---|
1692 | parameter</B> by clicking on the Sample Parameters item in the histogram entries.</p> |
---|
1693 | |
---|
1694 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1695 | |
---|
1696 | <p class=MsoListParagraphCxSpLast style='text-indent:-.25in;mso-list:l7 level1 lfo6'><![if !supportLists]><span |
---|
1697 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1698 | style='mso-list:Ignore'>5.<span style='font:7.0pt "Times New Roman"'> |
---|
1699 | </span></span></span><![endif]>One can confirm that the number of parameters is |
---|
1700 | now 7 (3 <span class=SpellE>Dxx</span> terms for phase 1, 3 <span class=SpellE>Dxx</span> |
---|
1701 | terms for phase 2 and a scale factor.) If the refinement is repeated, the fit |
---|
1702 | quality does not change, since these parameters are completely equivalent to |
---|
1703 | the previous. There may result in very non-zero values for the <span |
---|
1704 | class=SpellE>Dxx</span> parameters, but these are much smaller than their |
---|
1705 | uncertainties and are thus within noise of zero. </p> |
---|
1706 | |
---|
1707 | <h2>Step 3: Import the remaining datasets and duplicate information across |
---|
1708 | histograms.</h2> |
---|
1709 | |
---|
1710 | <p class=MsoNormal><o:p> </o:p></p> |
---|
1711 | |
---|
1712 | <p class=MsoNormal>In this step we bring in the remaining data, duplicate the |
---|
1713 | histogram parameters as well as the phase/histogram parameters and set up to |
---|
1714 | perform a sequential fit. </p> |
---|
1715 | |
---|
1716 | <p class=MsoNormal><o:p> </o:p></p> |
---|
1717 | |
---|
1718 | <p class=MsoListParagraphCxSpFirst style='text-indent:-.25in;mso-list:l2 level1 lfo8'><![if !supportLists]><span |
---|
1719 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1720 | style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> |
---|
1721 | </span></span></span><![endif]><!--[if gte vml 1]><v:shape id="Picture_x0020_17" |
---|
1722 | o:spid="_x0000_s1037" type="#_x0000_t75" style='position:absolute;left:0; |
---|
1723 | text-align:left;margin-left:109.05pt;margin-top:576.2pt;width:160.25pt; |
---|
1724 | height:156.85pt;z-index:251681792;visibility:visible;mso-wrap-style:square; |
---|
1725 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
1726 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
1727 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
1728 | mso-position-horizontal-relative:margin;mso-position-vertical:absolute; |
---|
1729 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
1730 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
---|
1731 | <v:imagedata src="SequentialTutorial_files/image045.png" o:title="" croptop="3745f" |
---|
1732 | cropbottom="9062f" cropleft="6179f" cropright="6822f"/> |
---|
1733 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
1734 | </v:shape><![endif]--><![if !vml]><img width=214 height=209 |
---|
1735 | src="SequentialTutorial_files/image046.png" align=right hspace=12 v:shapes="Picture_x0020_17"><![endif]>The |
---|
1736 | remaining datasets are read <B>using Import/Powder Data/from GSAS powder data file</B> |
---|
1737 | to open a file browser. Again <B>select zip archive and the downloaded <span |
---|
1738 | style='font-family:Courier'>SeqTut.zip</span></B> file. <B>Select all the .<span |
---|
1739 | class=SpellE>fxye</span> files</B> except <span style='font-family:Courier'>OH_00.fxye</span> |
---|
1740 | (use of the filter can again be helpful to show just the data file; press Set |
---|
1741 | All and then unselect the one unneeded file). </p> |
---|
1742 | |
---|
1743 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1744 | |
---|
1745 | <p class=MsoListParagraphCxSpMiddle>This time one must <B>select the instrument |
---|
1746 | parameter file</B>. </p> |
---|
1747 | |
---|
1748 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
1749 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_19" o:spid="_x0000_i1044" |
---|
1750 | type="#_x0000_t75" style='width:299.25pt;height:203.25pt;visibility:visible; |
---|
1751 | mso-wrap-style:square'> |
---|
1752 | <v:imagedata src="SequentialTutorial_files/image047.png" o:title="" croptop="3160f" |
---|
1753 | cropbottom="7136f" cropleft="3738f" cropright="3737f"/> |
---|
1754 | </v:shape><![endif]--><![if !vml]><img width=399 height=271 |
---|
1755 | src="SequentialTutorial_files/image048.png" v:shapes="Picture_x0020_19"><![endif]></span></p> |
---|
1756 | |
---|
1757 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1758 | |
---|
1759 | <p class=MsoListParagraphCxSpMiddle><B>Set all data sets to use the two phases</B>, as |
---|
1760 | before in step 1 #6. </p> |
---|
1761 | |
---|
1762 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1763 | |
---|
1764 | <p class=MsoListParagraphCxSpMiddle>Note that the files must be read in in the |
---|
1765 | sequence they will be processed. This is not an issue here, but for some |
---|
1766 | sequential refinements, one may need to use multiple Import operations to read |
---|
1767 | the files in the desired order or rename files so they are listed in the |
---|
1768 | correct order in the file browser. </p> |
---|
1769 | |
---|
1770 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1771 | |
---|
1772 | <p class=MsoListParagraphCxSpMiddle><!--[if gte vml 1]><v:shape id="Picture_x0020_18" |
---|
1773 | o:spid="_x0000_s1036" type="#_x0000_t75" style='position:absolute;left:0; |
---|
1774 | text-align:left;margin-left:105.35pt;margin-top:0;width:156.55pt;height:84.25pt; |
---|
1775 | z-index:251667456;visibility:visible;mso-wrap-style:square; |
---|
1776 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
1777 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
1778 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
1779 | mso-position-horizontal-relative:margin;mso-position-vertical:bottom; |
---|
1780 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
1781 | mso-height-percent:0;mso-width-relative:margin;mso-height-relative:page'> |
---|
1782 | <v:imagedata src="SequentialTutorial_files/image049.png" o:title=""/> |
---|
1783 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
1784 | </v:shape><![endif]--><![if !vml]><img width=209 height=112 |
---|
1785 | src="SequentialTutorial_files/image050.png" align=right hspace=12 v:shapes="Picture_x0020_18"><![endif]>Optional: |
---|
1786 | Note that with this many files to plot, the default graphics mode, which |
---|
1787 | displays all <span class=GramE>datasets</span> can be a bit cumbersome.<span |
---|
1788 | style='mso-spacerun:yes'> </span>To change this, click on the main entry for |
---|
1789 | any of the datasets (for example the PWDR OH_00.fxye Bank 1), click on the |
---|
1790 | frame of the plot window and press the s key.<span style='mso-spacerun:yes'> |
---|
1791 | </span>(Alternately, press the K icon from the list at the bottom of plot, |
---|
1792 | between the floppy disk and question mark icons and then select s: toggle |
---|
1793 | single plot from the pop-up window). </p> |
---|
1794 | |
---|
1795 | <p class=MsoListParagraphCxSpLast><o:p> </o:p></p> |
---|
1796 | |
---|
1797 | <h2>Step 4: Import the remaining datasets and duplicate information across |
---|
1798 | histograms.</h2> |
---|
1799 | |
---|
1800 | <p class=MsoNormal><o:p> </o:p></p> |
---|
1801 | |
---|
1802 | <p class=MsoNormal>In this step we bring in the remaining data, duplicate the |
---|
1803 | histogram parameters as well as the phase/histogram parameters and set up to |
---|
1804 | perform a sequential fit. </p> |
---|
1805 | |
---|
1806 | <p class=MsoListParagraphCxSpFirst><o:p> </o:p></p> |
---|
1807 | |
---|
1808 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l5 level1 lfo10'><![if !supportLists]><span |
---|
1809 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1810 | style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> |
---|
1811 | </span></span></span><![endif]><!--[if gte vml 1]><v:shape id="Picture_x0020_19" |
---|
1812 | o:spid="_x0000_s1035" type="#_x0000_t75" style='position:absolute;left:0; |
---|
1813 | text-align:left;margin-left:18.3pt;margin-top:9.2pt;width:69.5pt;height:33pt; |
---|
1814 | z-index:251668480;visibility:visible;mso-wrap-style:square; |
---|
1815 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
1816 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
1817 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
1818 | mso-position-horizontal-relative:margin;mso-position-vertical:absolute; |
---|
1819 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
1820 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
---|
1821 | <v:imagedata src="SequentialTutorial_files/image051.png" o:title=""/> |
---|
1822 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
1823 | </v:shape><![endif]--><![if !vml]><img |
---|
1824 | src="SequentialTutorial_files/image052.png" align=right hspace=12 v:shapes="Picture_x0020_19"><![endif]>Copy |
---|
1825 | the histogram parameters from the first histogram to the new ones: <B>Click on the |
---|
1826 | original PWDR OH_00.fxye Bank 1 entry</B>. Use menu command <B>Commands/Copy <span |
---|
1827 | class=SpellE>params</span></B>. </p> |
---|
1828 | |
---|
1829 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1830 | |
---|
1831 | <p class=MsoListParagraphCxSpMiddle><!--[if gte vml 1]><v:shape id="Picture_x0020_20" |
---|
1832 | o:spid="_x0000_s1034" type="#_x0000_t75" style='position:absolute;left:0; |
---|
1833 | text-align:left;margin-left:111.35pt;margin-top:45.2pt;width:162.55pt; |
---|
1834 | height:159.05pt;z-index:251669504;visibility:visible;mso-wrap-style:square; |
---|
1835 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
1836 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
1837 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
1838 | mso-position-horizontal-relative:margin;mso-position-vertical:absolute; |
---|
1839 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
1840 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
---|
1841 | <v:imagedata src="SequentialTutorial_files/image053.png" o:title=""/> |
---|
1842 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
1843 | </v:shape><![endif]--><![if !vml]><img width=217 height=212 |
---|
1844 | src="SequentialTutorial_files/image054.png" align=right hspace=12 v:shapes="Picture_x0020_20"><![endif]>This |
---|
1845 | causes a dialog box where the sections to be copied are selected. We need to |
---|
1846 | duplicate the Limits, Background and Sample Parameters between all histograms. |
---|
1847 | The Instrument Parameters have not been changed in this exercise and are all |
---|
1848 | read from the same instrument parameter file, but there is no harm in copying |
---|
1849 | them, so the default entries do not need to be changed. <B>Press OK</B>. Note that all |
---|
1850 | parameters are copied except measurement information such as setting angles, |
---|
1851 | temperature, etc. </p> |
---|
1852 | |
---|
1853 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1854 | |
---|
1855 | <p class=MsoListParagraphCxSpMiddle>An additional dialog window is shown which |
---|
1856 | asks which histograms should receive the parameters. <B>Press Set All</B> to select |
---|
1857 | all remaining histograms and then <B>press OK.</B> </p> |
---|
1858 | |
---|
1859 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1860 | |
---|
1861 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
1862 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_20" o:spid="_x0000_i1043" |
---|
1863 | type="#_x0000_t75" style='width:161.25pt;height:159pt;visibility:visible; |
---|
1864 | mso-wrap-style:square'> |
---|
1865 | <v:imagedata src="SequentialTutorial_files/image055.png" o:title="" croptop="3169f" |
---|
1866 | cropbottom="8776f" cropleft="6460f" cropright="6263f"/> |
---|
1867 | </v:shape><![endif]--><![if !vml]><img width=215 height=212 |
---|
1868 | src="SequentialTutorial_files/image056.png" v:shapes="Picture_x0020_20"><![endif]></span></p> |
---|
1869 | |
---|
1870 | <p class=MsoListParagraphCxSpLast>That the copy has been performed can be |
---|
1871 | demonstrated by examining any of the additional histogram plots (to see the |
---|
1872 | changed lower limit), etc. </p> |
---|
1873 | |
---|
1874 | <p class=MsoNormal><o:p> </o:p></p> |
---|
1875 | |
---|
1876 | <p class=MsoNormal>Copy the Phase/Histogram parameters within each phase. </p> |
---|
1877 | |
---|
1878 | <p class=MsoNormal><o:p> </o:p></p> |
---|
1879 | |
---|
1880 | <p class=MsoListParagraphCxSpFirst style='text-indent:-.25in;mso-list:l5 level1 lfo10'><![if !supportLists]><span |
---|
1881 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1882 | style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> |
---|
1883 | </span></span></span><![endif]><B>Click on the first phase</B> (CuCr2O4) and on the |
---|
1884 | <B>Data tab</B>. The press the <B>Copy Button</B>;</p> |
---|
1885 | |
---|
1886 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
1887 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_16" o:spid="_x0000_i1042" |
---|
1888 | type="#_x0000_t75" style='width:272.25pt;height:312pt;visibility:visible; |
---|
1889 | mso-wrap-style:square'> |
---|
1890 | <v:imagedata src="SequentialTutorial_files/image057.png" o:title=""/> |
---|
1891 | </v:shape><![endif]--><![if !vml]><img width=363 height=416 |
---|
1892 | src="SequentialTutorial_files/image058.png" v:shapes="Picture_x0020_16"><![endif]></span><span |
---|
1893 | style='mso-spacerun:yes'> </span></p> |
---|
1894 | |
---|
1895 | <p class=MsoListParagraphCxSpMiddle><span class=GramE>a</span> dialog window |
---|
1896 | appears to select where to copy the parameters. At present GSAS-II includes the |
---|
1897 | originating dataset in the list, and there is no harm in copying parameters to |
---|
1898 | all histograms (including the origin), this is a good chance to show how the |
---|
1899 | toggle button is used. <B>Select only the OH_00.fxye</B> entry. Then press the |
---|
1900 | <B>Toggle All</B> button to invert the selections. Then <B>press OK</B>.</p> |
---|
1901 | |
---|
1902 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1903 | |
---|
1904 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
1905 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_23" o:spid="_x0000_i1041" |
---|
1906 | type="#_x0000_t75" style='width:171.75pt;height:158.25pt;visibility:visible; |
---|
1907 | mso-wrap-style:square'> |
---|
1908 | <v:imagedata src="SequentialTutorial_files/image059.png" o:title="" croptop="3456f" |
---|
1909 | cropbottom="9070f" cropleft="5898f" cropright="3179f"/> |
---|
1910 | </v:shape><![endif]--><![if !vml]><img width=229 height=211 |
---|
1911 | src="SequentialTutorial_files/image060.png" v:shapes="Picture_x0020_23"><![endif]><!--[if gte vml 1]><v:shape |
---|
1912 | id="Picture_x0020_22" o:spid="_x0000_i1040" type="#_x0000_t75" style='width:156.75pt; |
---|
1913 | height:156.75pt;visibility:visible;mso-wrap-style:square'> |
---|
1914 | <v:imagedata src="SequentialTutorial_files/image061.png" o:title="" croptop="3744f" |
---|
1915 | cropbottom="9050f" cropleft="6461f" cropright="7653f"/> |
---|
1916 | </v:shape><![endif]--><![if !vml]><img width=209 height=209 |
---|
1917 | src="SequentialTutorial_files/image062.png" v:shapes="Picture_x0020_22"><![endif]></span></p> |
---|
1918 | |
---|
1919 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1920 | |
---|
1921 | <p class=MsoListParagraphCxSpMiddle>It can be verified that the copy took place |
---|
1922 | by clicking Show for additional banks. </p> |
---|
1923 | |
---|
1924 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1925 | |
---|
1926 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l5 level1 lfo10'><![if !supportLists]><span |
---|
1927 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1928 | style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'> |
---|
1929 | </span></span></span><![endif]><B>Copy the Phase/Histogram parameters within the |
---|
1930 | second phase</B> by clicking on it (<span class=SpellE>CuO</span>) in the data tree |
---|
1931 | (and possibly on the Data tab.) The press the <B>Copy Button</B> and <B>select the |
---|
1932 | histograms</B> as done in the previous step</p> |
---|
1933 | |
---|
1934 | <p class=MsoListParagraphCxSpLast><o:p> </o:p></p> |
---|
1935 | |
---|
1936 | <h2>Step 5: Setup and start the sequential refinement. </h2> |
---|
1937 | |
---|
1938 | <p class=MsoNormal><o:p> </o:p></p> |
---|
1939 | |
---|
1940 | <p class=MsoNormal>At this point we determine which histograms will be used in |
---|
1941 | the fit and set that the resulting parameters from the results of each |
---|
1942 | refinement will be used for the subsequent refinements.</p> |
---|
1943 | |
---|
1944 | <p class=MsoNormal><o:p> </o:p></p> |
---|
1945 | |
---|
1946 | <p class=MsoListParagraphCxSpFirst style='text-indent:-.25in;mso-list:l0 level1 lfo12'><![if !supportLists]><span |
---|
1947 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1948 | style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> |
---|
1949 | </span></span></span><![endif]><!--[if gte vml 1]><v:shape id="Picture_x0020_24" |
---|
1950 | o:spid="_x0000_s1033" type="#_x0000_t75" style='position:absolute;left:0; |
---|
1951 | text-align:left;margin-left:111.65pt;margin-top:90.2pt;width:162.85pt; |
---|
1952 | height:156.85pt;z-index:251682816;visibility:visible;mso-wrap-style:square; |
---|
1953 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
1954 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
1955 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
1956 | mso-position-horizontal-relative:margin;mso-position-vertical:absolute; |
---|
1957 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
1958 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
---|
1959 | <v:imagedata src="SequentialTutorial_files/image063.png" o:title="" croptop="4033f" |
---|
1960 | cropbottom="8773f" cropleft="6179f" cropright="5980f"/> |
---|
1961 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
1962 | </v:shape><![endif]--><![if !vml]><img width=217 height=209 |
---|
1963 | src="SequentialTutorial_files/image064.png" align=right hspace=12 v:shapes="Picture_x0020_24"><![endif]>First, |
---|
1964 | <B>select the Controls item</B> in the data tree and press the <B>Select data button</B>. </p> |
---|
1965 | |
---|
1966 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
1967 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_25" o:spid="_x0000_i1039" |
---|
1968 | type="#_x0000_t75" style='width:267pt;height:84.75pt;visibility:visible; |
---|
1969 | mso-wrap-style:square'> |
---|
1970 | <v:imagedata src="SequentialTutorial_files/image065.png" o:title=""/> |
---|
1971 | </v:shape><![endif]--><![if !vml]><img width=356 height=113 |
---|
1972 | src="SequentialTutorial_files/image066.png" v:shapes="Picture_x0020_25"><![endif]></span></p> |
---|
1973 | |
---|
1974 | <p class=MsoListParagraphCxSpMiddle>This opens a window where all histograms |
---|
1975 | can be selected (it would be equally valid to skip the first histogram, since |
---|
1976 | that has already been fully fit). <B>Press OK</B> and note that the Controls window now |
---|
1977 | lists the number of datasets in the sequential refinement and two new controls. |
---|
1978 | </p> |
---|
1979 | |
---|
1980 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
1981 | |
---|
1982 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l0 level1 lfo12'><![if !supportLists]><span |
---|
1983 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
1984 | style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> |
---|
1985 | </span></span></span><![endif]><!--[if gte vml 1]><v:shape id="Picture_x0020_34" |
---|
1986 | o:spid="_x0000_s1032" type="#_x0000_t75" style='position:absolute;left:0; |
---|
1987 | text-align:left;margin-left:218.8pt;margin-top:225.2pt;width:270pt;height:95.75pt; |
---|
1988 | z-index:251683840;visibility:visible;mso-wrap-style:square; |
---|
1989 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
1990 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
1991 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
1992 | mso-position-horizontal-relative:margin;mso-position-vertical:absolute; |
---|
1993 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
1994 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
---|
1995 | <v:imagedata src="SequentialTutorial_files/image067.png" o:title="" croptop="5426f" |
---|
1996 | cropbottom="12546f" cropleft="3993f" cropright="3707f"/> |
---|
1997 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
1998 | </v:shape><![endif]--><![if !vml]><img width=360 height=128 |
---|
1999 | src="SequentialTutorial_files/image068.png" align=right hspace=12 v:shapes="Picture_x0020_34"><![endif]><B>Check |
---|
2000 | the Copy results to next histogram checkbox</B>. This is essential. If this is |
---|
2001 | not selected, then every refinement will start with the current parameters |
---|
2002 | (which are all identical, since they were set with the Copy operations.) The |
---|
2003 | first few refinements will go well, but after the temperature has changed |
---|
2004 | enough, the starting lattice parameters (determined from the cell and <span |
---|
2005 | class=SpellE>Dxx</span> values) will be too far off and the refinements will |
---|
2006 | fail. </p> |
---|
2007 | |
---|
2008 | <p class=MsoListParagraphCxSpMiddle><span style='mso-spacerun:yes'> </span></p> |
---|
2009 | |
---|
2010 | <p class=MsoListParagraphCxSpMiddle>Note that the Reverse order checkbox causes |
---|
2011 | the sequential refinement to start with the last histogram, not the first. <span |
---|
2012 | class=GramE>Sometimes useful, but not here.</span> </p> |
---|
2013 | |
---|
2014 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2015 | |
---|
2016 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l0 level1 lfo12'><![if !supportLists]><span |
---|
2017 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
2018 | style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'> |
---|
2019 | </span></span></span><![endif]><B>Change the number of cycles to 10.</B> This is |
---|
2020 | important, so that refinements have enough cycles to fully adjust to the |
---|
2021 | changes in lattice parameters before being used as the starting point for the |
---|
2022 | next refinement. </p> |
---|
2023 | |
---|
2024 | <p class=MsoListParagraphCxSpMiddle><span style='mso-spacerun:yes'> </span></p> |
---|
2025 | |
---|
2026 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l0 level1 lfo12'><![if !supportLists]><span |
---|
2027 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
2028 | style='mso-list:Ignore'>4.<span style='font:7.0pt "Times New Roman"'> |
---|
2029 | </span></span></span><![endif]><!--[if gte vml 1]><v:shape id="Picture_x0020_28" |
---|
2030 | o:spid="_x0000_s1031" type="#_x0000_t75" style='position:absolute;left:0; |
---|
2031 | text-align:left;margin-left:28.3pt;margin-top:513.2pt;width:79.5pt;height:51.5pt; |
---|
2032 | z-index:251671552;visibility:visible;mso-wrap-style:square; |
---|
2033 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
2034 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
2035 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
2036 | mso-position-horizontal-relative:margin;mso-position-vertical:absolute; |
---|
2037 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
2038 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
---|
2039 | <v:imagedata src="SequentialTutorial_files/image069.png" o:title=""/> |
---|
2040 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
2041 | </v:shape><![endif]--><![if !vml]><img |
---|
2042 | src="SequentialTutorial_files/image070.png" align=right hspace=12 v:shapes="Picture_x0020_28"><![endif]>Start |
---|
2043 | the sequential refinement with the <B>Calculate/Sequential refine</B></p> |
---|
2044 | |
---|
2045 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2046 | |
---|
2047 | <p class=MsoListParagraphCxSpMiddle>Note that if the copy operations in <b |
---|
2048 | style='mso-bidi-font-weight:normal'>Step 4</b> were not performed correctly, |
---|
2049 | the parameters in each refinement will not agree and the refinement will stop |
---|
2050 | with an error such as this: </p> |
---|
2051 | |
---|
2052 | <p class=MsoListParagraphCxSpMiddle><!--[if gte vml 1]><o:wrapblock><v:shapetype |
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2058 | margin-left:36.55pt;margin-top:-85.9pt;width:424.45pt;height:76.65pt; |
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2059 | z-index:251672576;visibility:visible;mso-wrap-style:square; |
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2061 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
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2062 | mso-wrap-distance-bottom:0;mso-position-horizontal:absolute; |
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2063 | mso-position-horizontal-relative:text;mso-position-vertical:absolute; |
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2064 | mso-position-vertical-relative:text;mso-width-percent:0;mso-height-percent:0; |
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2065 | mso-width-relative:margin;mso-height-relative:margin;v-text-anchor:top' |
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2066 | o:gfxdata="UEsDBBQABgAIAAAAIQC2gziS/gAAAOEBAAATAAAAW0NvbnRlbnRfVHlwZXNdLnhtbJSRQU7DMBBF |
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2067 | 90jcwfIWJU67QAgl6YK0S0CoHGBkTxKLZGx5TGhvj5O2G0SRWNoz/78nu9wcxkFMGNg6quQqL6RA |
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2068 | 0s5Y6ir5vt9lD1JwBDIwOMJKHpHlpr69KfdHjyxSmriSfYz+USnWPY7AufNIadK6MEJMx9ApD/oD |
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2069 | OlTrorhX2lFEilmcO2RdNtjC5xDF9pCuTyYBB5bi6bQ4syoJ3g9WQ0ymaiLzg5KdCXlKLjvcW893 |
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2070 | SUOqXwnz5DrgnHtJTxOsQfEKIT7DmDSUCaxw7Rqn8787ZsmRM9e2VmPeBN4uqYvTtW7jvijg9N/y |
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2073 | JVI2sOt6UJgd+ZiDgffL8ekFlFSbvV0oo4EbChzGx4f9GRdb25HMsYhqlCwG5lrLq9biZkxWOiqY |
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2074 | 22YiTra2kYMu1l1tQD30/bPm3wwYN0x18gb45AdQl1tp5j/sFB2T0FQ7R0nTNEV3j6o9feQzro1i |
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2075 | OWA14Fm+Q8a1a8+Bvu/d/dMb2JY5uiPbhG/ktn4cqGU/er3pcvwCAAD//wMAUEsDBBQABgAIAAAA |
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2076 | IQDFYMPKyQIAAOYFAAAOAAAAZHJzL2Uyb0RvYy54bWysVFtv2yAUfp+0/4B4T20ndtNYdSo3UaZJ |
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2077 | UVutnfpMMCRWbWBAYmfT/vsO2E6zbi+d9gIHznful+ubtq7QgWlTSpHh6CLEiAkqi1JsM/z1aTW6 |
---|
2078 | wshYIgpSScEyfGQG38w/frhuVMrGciergmkESoRJG5XhnbUqDQJDd6wm5kIqJoDJpa6JhafeBoUm |
---|
2079 | DWivq2AchpdBI3WhtKTMGPhddkw89/o5Z9Tec26YRVWGwTfrT+3PjTuD+TVJt5qoXUl7N8g/eFGT |
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2080 | UoDRk6olsQTtdfmHqrqkWhrJ7QWVdSA5LynzMUA0UfgmmscdUczHAskx6pQm8//U0rvDg0ZlkeHJ |
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2081 | FCNBaqjRE2stupUtmrj0NMqkgHpUgLMtfEOZfahGrSV9MQAJzjCdgAG0S0fLde1uCBSBIFTgeMq6 |
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2082 | s0LhM5nMwiRKMKLAm00ncZI4u8GrtNLGfmKyRo7IsIaqeg/IYW1sBx0gzpiQq7Kq4J+klXCnkVVZ |
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2083 | uD//0NvNotLoQKAl4tVVdLvszZ3BwHgnynwPdWZICi4D6bQ45319fyyS6TifJrPRZZ5EozgKr0Z5 |
---|
2084 | Ho5Hy1Ue5mG8Wszi25+9hUHeJ6zLkUudsceKde5+YRyq4VPlnXVzwE7uEkqZsFGvrRKAdigOob1H |
---|
2085 | sMf7OHx87xHuMjJYlsKehOtSSN21xu9uFy+Dy7zD9y3Tx+1SYNtNCxVz5EYWR+g1LbthNYquSqj7 |
---|
2086 | mhj7QDRMJ3QRbBx7DwevZJNh2VMY7aT+/rd/h4ehAS5GDUx7hs23PdEMo+qzgHGaRXHs1oN/xFBR |
---|
2087 | eOhzzuacI/b1QkL3RLDbFPWkw9tqILmW9TMsptxZBRYRFGxn2A7kwnY7CBYbZXnuQbAQFLFr8ajo |
---|
2088 | MGKuq5/aZ6JV3/oWOuhODnuBpG8moMO6ugqZ763kpR+P16z2iYdl4gesX3xuW52/Pep1Pc9/AQAA |
---|
2089 | //8DAFBLAwQUAAYACAAAACEAmMvc0uIAAAALAQAADwAAAGRycy9kb3ducmV2LnhtbEyPwU7DMAyG |
---|
2090 | 70i8Q2QkLmhL2wErpemEEIgJxIHBgWPWeG21xilJtnVvj3eCo+1Pv7+/XIy2F3v0oXOkIJ0mIJBq |
---|
2091 | ZzpqFHx9Pk9yECFqMrp3hAqOGGBRnZ+VujDuQB+4X8VGcAiFQitoYxwKKUPdotVh6gYkvm2ctzry |
---|
2092 | 6BtpvD5wuO1lliS30uqO+EOrB3xssd6udlbBmL1/26vXJ7nN34YX3x2vZz+bpVKXF+PDPYiIY/yD |
---|
2093 | 4aTP6lCx09rtyATRK5jPUiYVTNJ5yh2YuMsybrc+rfIbkFUp/3eofgEAAP//AwBQSwECLQAUAAYA |
---|
2094 | CAAAACEAtoM4kv4AAADhAQAAEwAAAAAAAAAAAAAAAAAAAAAAW0NvbnRlbnRfVHlwZXNdLnhtbFBL |
---|
2095 | AQItABQABgAIAAAAIQA4/SH/1gAAAJQBAAALAAAAAAAAAAAAAAAAAC8BAABfcmVscy8ucmVsc1BL |
---|
2096 | AQItABQABgAIAAAAIQDFYMPKyQIAAOYFAAAOAAAAAAAAAAAAAAAAAC4CAABkcnMvZTJvRG9jLnht |
---|
2097 | bFBLAQItABQABgAIAAAAIQCYy9zS4gAAAAsBAAAPAAAAAAAAAAAAAAAAACMFAABkcnMvZG93bnJl |
---|
2098 | di54bWxQSwUGAAAAAAQABADzAAAAMgYAAAAA |
---|
2099 | " filled="f" strokecolor="#4f81bd"> |
---|
2100 | <v:path arrowok="t"/> |
---|
2101 | <v:textbox> |
---|
2102 | <![if !mso]> |
---|
2103 | <table cellpadding=0 cellspacing=0 width="100%"> |
---|
2104 | <tr> |
---|
2105 | <td><![endif]> |
---|
2106 | <div> |
---|
2107 | <p class=MsoNormal><span style='font-size:10.0pt;font-family:Courier'>**** |
---|
2108 | ERROR - variable list for this histogram does not match previous<o:p></o:p></span></p> |
---|
2109 | <p class=MsoNormal><span style='font-size:10.0pt;font-family:Courier'><o:p> </o:p></span></p> |
---|
2110 | <p class=MsoNormal><span class=GramE><span style='font-size:10.0pt; |
---|
2111 | font-family:Courier'>current</span></span><span style='font-size:10.0pt; |
---|
2112 | font-family:Courier'> histogram PWDR OH_04.fxye Bank 1 has 6 variables<o:p></o:p></span></p> |
---|
2113 | <p class=MsoNormal><span style='font-size:10.0pt;font-family:Courier'>Variables |
---|
2114 | in previous but not in current: 1::D22, 1::D33, 1::D11, <o:p></o:p></span></p> |
---|
2115 | <p class=MsoNormal><span style='font-size:10.0pt;font-family:Courier'><o:p> </o:p></span></p> |
---|
2116 | <p class=MsoNormal><span style='font-size:10.0pt;font-family:Courier'>Previous |
---|
2117 | refinement has 7 variables<o:p></o:p></span></p> |
---|
2118 | <p class=MsoNormal><span style='font-size:10.0pt;font-family:Courier'>Variables |
---|
2119 | in current but not in previous: 1::Scale, 1::<span class=SpellE>Mustrain<span |
---|
2120 | class=GramE>;i</span></span>, <o:p></o:p></span></p> |
---|
2121 | <p class=MsoNormal><o:p> </o:p></p> |
---|
2122 | </div> |
---|
2123 | <![if !mso]></td> |
---|
2124 | </tr> |
---|
2125 | </table> |
---|
2126 | <![endif]></v:textbox> |
---|
2127 | <w:wrap type="topAndBottom"/> |
---|
2128 | </v:shape><![endif]--><![if !vml]><span style='mso-ignore:vglayout'> |
---|
2129 | <table cellpadding=0 cellspacing=0> |
---|
2130 | <tr> |
---|
2131 | <td width=48 height=0></td> |
---|
2132 | </tr> |
---|
2133 | <tr> |
---|
2134 | <td></td> |
---|
2135 | <td><img width=572 height=109 src="SequentialTutorial_files/image071.png" |
---|
2136 | alt="Text Box: **** ERROR - variable list for this histogram does not match previous current histogram PWDR OH_04.fxye Bank 1 has 6 variables Variables in previous but not in current: 1::D22, 1::D33, 1::D11, Previous refinement has 7 variables Variables in current but not in previous: 1::Scale, 1::Mustrain;i, " |
---|
2137 | v:shapes="Text_x0020_Box_x0020_3"></td> |
---|
2138 | </tr> |
---|
2139 | </table> |
---|
2140 | </span><![endif]><!--[if gte vml 1]></o:wrapblock><![endif]--><br |
---|
2141 | style='mso-ignore:vglayout' clear=ALL> |
---|
2142 | (This error results if the parameters for the second phase were not copied in |
---|
2143 | part 3 so that the phase fraction and strain broadening are retained for all |
---|
2144 | but the first histogram and the 1::<span class=SpellE>D<i style='mso-bidi-font-style: |
---|
2145 | normal'>ii</i></span> terms are only included the first.)</p> |
---|
2146 | |
---|
2147 | <p class=MsoListParagraphCxSpLast><o:p> </o:p></p> |
---|
2148 | |
---|
2149 | <h2>Step 6: Examine the sequential refinement results.</h2> |
---|
2150 | |
---|
2151 | <p class=MsoListParagraphCxSpFirst><o:p> </o:p></p> |
---|
2152 | |
---|
2153 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l3 level1 lfo14'><![if !supportLists]><span |
---|
2154 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
2155 | style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> |
---|
2156 | </span></span></span><![endif]>When the refinement completes, a window will be |
---|
2157 | displayed where you are asked if you want to load the results:</p> |
---|
2158 | |
---|
2159 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2160 | |
---|
2161 | <p class=MsoListParagraphCxSpMiddle><!--[if gte vml 1]><o:wrapblock><v:shape |
---|
2162 | id="Picture_x0020_29" o:spid="_x0000_s1029" type="#_x0000_t75" style='position:absolute; |
---|
2163 | left:0;text-align:left;margin-left:78.4pt;margin-top:-102.75pt;width:240.4pt; |
---|
2164 | height:77.1pt;z-index:251686912;visibility:visible;mso-wrap-style:square; |
---|
2165 | mso-width-percent:0;mso-height-percent:0;mso-wrap-distance-left:9pt; |
---|
2166 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
2167 | mso-wrap-distance-bottom:0;mso-position-horizontal:absolute; |
---|
2168 | mso-position-horizontal-relative:text;mso-position-vertical:absolute; |
---|
2169 | mso-position-vertical-relative:text;mso-width-percent:0;mso-height-percent:0; |
---|
2170 | mso-width-relative:page;mso-height-relative:page'> |
---|
2171 | <v:imagedata src="SequentialTutorial_files/image072.png" o:title="" |
---|
2172 | croptop="5978f" cropbottom="14816f" cropleft="4284f" cropright="4357f"/> |
---|
2173 | <w:wrap type="topAndBottom"/> |
---|
2174 | </v:shape><![endif]--><![if !vml]><span style='mso-ignore:vglayout'> |
---|
2175 | <table cellpadding=0 cellspacing=0 align=left> |
---|
2176 | <tr> |
---|
2177 | <td width=104 height=0></td> |
---|
2178 | </tr> |
---|
2179 | <tr> |
---|
2180 | <td></td> |
---|
2181 | <td><img width=321 height=103 src="SequentialTutorial_files/image073.png" |
---|
2182 | v:shapes="Picture_x0020_29"></td> |
---|
2183 | </tr> |
---|
2184 | </table> |
---|
2185 | </span><![endif]><!--[if gte vml 1]></o:wrapblock><![endif]--><br |
---|
2186 | style='mso-ignore:vglayout' clear=ALL> |
---|
2187 | </p> |
---|
2188 | |
---|
2189 | <p class=MsoListParagraphCxSpMiddle><B>After clicking on OK</B>, the Sequential |
---|
2190 | Results item in the data tree is automatically selected, which displays a |
---|
2191 | summary of the refinement results as a large table. </p> |
---|
2192 | |
---|
2193 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2194 | |
---|
2195 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
2196 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_41" o:spid="_x0000_i1038" |
---|
2197 | type="#_x0000_t75" style='width:353.25pt;height:179.25pt;visibility:visible; |
---|
2198 | mso-wrap-style:square'> |
---|
2199 | <v:imagedata src="SequentialTutorial_files/image074.png" o:title="" croptop="2939f" |
---|
2200 | cropbottom="7921f" cropleft="2809f" cropright="3415f"/> |
---|
2201 | </v:shape><![endif]--><![if !vml]><img width=471 height=239 |
---|
2202 | src="SequentialTutorial_files/image075.png" v:shapes="Picture_x0020_41"><![endif]></span></p> |
---|
2203 | |
---|
2204 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2205 | |
---|
2206 | <p class=MsoListParagraphCxSpMiddle>The first column shows the weighted profile |
---|
2207 | R-factor, from each fit. This shows a steady increase with temperature, as |
---|
2208 | might be expected if there were a systematic change in some sample parameters, |
---|
2209 | such as strain or background or even atomic coordinates (which have not yet |
---|
2210 | been fit). The Δχ<sup>2</sup> value in the second column shows the |
---|
2211 | percent improvement in χ<sup>2</sup> seen in the last cycle of refinement. |
---|
2212 | <span class=GramE>(If this changes from 4.1 to 4.0, then the value will be |
---|
2213 | 100*(4.1-4.0)/4.0, or 2.5).</span> Since the convergence criterion in the |
---|
2214 | controls is 0.0001 (or 0.01%) we can see that only two of the refinements shown |
---|
2215 | failed to converge these are highlighted in yellow. However, these shifts are |
---|
2216 | still quite small, so that there is no reason to provide further cycles of |
---|
2217 | refinement without adding new variable parameters. </p> |
---|
2218 | |
---|
2219 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2220 | |
---|
2221 | <p class=MsoListParagraphCxSpMiddle>Subsequent columns will show any of the |
---|
2222 | sample parameters that vary across the datasets, here only temperature and then |
---|
2223 | the direct cell lattice constants for each phase, generated from the A<i |
---|
2224 | style='mso-bidi-font-style:normal'>x</i> and <span class=SpellE>D<i |
---|
2225 | style='mso-bidi-font-style:normal'>ij</i></span> terms. Scrolling further shows |
---|
2226 | the values of each refined parameter. </p> |
---|
2227 | |
---|
2228 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2229 | |
---|
2230 | <p class=MsoListParagraphCxSpMiddle>Before going farther, it is useful to |
---|
2231 | review the trends in the lattice parameters as a sanity check. This can be done |
---|
2232 | by <B>double-clicking on a column of the table</B>, such as the 0::b parameter, which |
---|
2233 | displays this plot:</p> |
---|
2234 | |
---|
2235 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2236 | |
---|
2237 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
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---|
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---|
2241 | <v:imagedata src="SequentialTutorial_files/image076.png" o:title="" croptop="1185f" |
---|
2242 | cropbottom="2863f" cropleft="1936f" cropright="1768f"/> |
---|
2243 | </v:shape><![endif]--><![if !vml]><img width=465 height=400 |
---|
2244 | src="SequentialTutorial_files/image077.png" v:shapes="Picture_x0020_42"><![endif]></span></p> |
---|
2245 | |
---|
2246 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
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2248 | <p class=MsoListParagraphCxSpMiddle><!--[if gte vml 1]><v:shape id="Picture_x0020_43" |
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---|
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---|
2253 | mso-wrap-distance-top:0;mso-wrap-distance-right:9pt; |
---|
2254 | mso-wrap-distance-bottom:0;mso-position-horizontal:right; |
---|
2255 | mso-position-horizontal-relative:margin;mso-position-vertical:absolute; |
---|
2256 | mso-position-vertical-relative:margin;mso-width-percent:0; |
---|
2257 | mso-height-percent:0;mso-width-relative:page;mso-height-relative:page'> |
---|
2258 | <v:imagedata src="SequentialTutorial_files/image078.png" o:title="" croptop="4537f" |
---|
2259 | cropbottom="8924f" cropleft="6531f" cropright="6547f"/> |
---|
2260 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
2261 | </v:shape><![endif]--><![if !vml]><img width=213 height=207 |
---|
2262 | src="SequentialTutorial_files/image079.png" align=right hspace=12 v:shapes="Picture_x0020_43"><![endif]>Pressing |
---|
2263 | the K icon or <B>pressing the s key</B> brings up a menu where the x-axis can be selected |
---|
2264 | as temperature. If the plot fails to update, click on another column and then |
---|
2265 | return to the original column. </p> |
---|
2266 | |
---|
2267 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2268 | |
---|
2269 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
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---|
2271 | type="#_x0000_t75" style='width:291.75pt;height:222pt;visibility:visible; |
---|
2272 | mso-wrap-style:square'> |
---|
2273 | <v:imagedata src="SequentialTutorial_files/image080.png" o:title=""/> |
---|
2274 | </v:shape><![endif]--></span></p> |
---|
2275 | |
---|
2276 | <p class=MsoListParagraphCxSpLast><o:p> </o:p></p> |
---|
2277 | |
---|
2278 | <h2>Step 6: Continue the sequential refinement. </h2> |
---|
2279 | |
---|
2280 | <p class=MsoNormal>At this point we choose to continue the refinements from |
---|
2281 | their current values (note that the Copy results to next histogram checkbox |
---|
2282 | is automatically unchecked after a successful sequential refinement.) including |
---|
2283 | some additional parameters in the refinement. We will do this is a few steps. </p> |
---|
2284 | |
---|
2285 | <p class=MsoListParagraphCxSpFirst style='text-indent:-.25in;mso-list:l1 level1 lfo16'><![if !supportLists]><span |
---|
2286 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
2287 | style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> |
---|
2288 | </span></span></span><![endif]><B>Restore the refinement of background parameters</B> as before for |
---|
2289 | any one histogram and then <B>use the File/Copy flags</B> menu item to copy these |
---|
2290 | refinement flags (only) to all other histograms (not in this case, since all |
---|
2291 | values are the same, the same result would be obtained from the File/Copy menu |
---|
2292 | item, but this in general is not what one wants to do.)</p> |
---|
2293 | |
---|
2294 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2295 | |
---|
2296 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
2297 | mso-no-proof:yes'><span style='mso-spacerun:yes'> </span><!--[if gte vml 1]><v:shape |
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2299 | height:132pt;visibility:visible;mso-wrap-style:square'> |
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2300 | <v:imagedata src="SequentialTutorial_files/image082.png" o:title="" croptop="4514f" |
---|
2301 | cropbottom="9604f" cropleft="4103f" cropright="3837f"/> |
---|
2302 | </v:shape><![endif]--><![if !vml]><img width=384 height=176 |
---|
2303 | src="SequentialTutorial_files/image083.png" v:shapes="Picture_x0020_47"><![endif]><o:p></o:p></span></p> |
---|
2304 | |
---|
2305 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2306 | |
---|
2307 | <p class=MsoListParagraphCxSpLast><!--[if gte vml 1]><v:shape id="Picture_x0020_48" |
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2310 | visibility:visible;mso-wrap-style:square;mso-width-percent:0; |
---|
2311 | mso-height-percent:0;mso-wrap-distance-left:9pt;mso-wrap-distance-top:0; |
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2312 | mso-wrap-distance-right:9pt;mso-wrap-distance-bottom:0; |
---|
2313 | mso-position-horizontal:left;mso-position-horizontal-relative:margin; |
---|
2314 | mso-position-vertical:top;mso-position-vertical-relative:margin; |
---|
2315 | mso-width-percent:0;mso-height-percent:0;mso-width-relative:page; |
---|
2316 | mso-height-relative:page'> |
---|
2317 | <v:imagedata src="SequentialTutorial_files/image084.png" o:title=""/> |
---|
2318 | <w:wrap type="square" anchorx="margin" anchory="margin"/> |
---|
2319 | </v:shape><![endif]--><![if !vml]><img |
---|
2320 | src="SequentialTutorial_files/image085.png" align=left hspace=12 v:shapes="Picture_x0020_48"><![endif]><span |
---|
2321 | style='mso-fareast-language:EN-US;mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
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2323 | height:152.25pt;visibility:visible;mso-wrap-style:square'> |
---|
2324 | <v:imagedata src="SequentialTutorial_files/image086.png" o:title=""/> |
---|
2325 | </v:shape><![endif]--><![if !vml]><img |
---|
2326 | src="SequentialTutorial_files/image087.png" v:shapes="Picture_x0020_49"><![endif]></span></p> |
---|
2327 | |
---|
2328 | <p class=MsoNormal><o:p> </o:p></p> |
---|
2329 | |
---|
2330 | <p class=MsoListParagraphCxSpFirst style='text-indent:-.25in;mso-list:l1 level1 lfo16'><![if !supportLists]><span |
---|
2331 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
2332 | style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> |
---|
2333 | </span></span></span><![endif]>Likewise, <B>include the Sample X displacement</B> |
---|
2334 | parameter and again use the <B>Command/Copy flags menu item.</B> </p> |
---|
2335 | |
---|
2336 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2337 | |
---|
2338 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
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---|
2341 | height:233.25pt;visibility:visible;mso-wrap-style:square'> |
---|
2342 | <v:imagedata src="SequentialTutorial_files/image088.png" o:title="s1" |
---|
2343 | croptop="2496f" cropbottom="6549f" cropleft="5811f" cropright="6065f"/> |
---|
2344 | </v:shape><![endif]--><![if !vml]><img width=237 height=311 |
---|
2345 | src="SequentialTutorial_files/image089.png" |
---|
2346 | alt="Description: BHT3 HD:private:tmp:s1.png" v:shapes="Picture_x0020_84"><![endif]></span></p> |
---|
2347 | |
---|
2348 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2349 | |
---|
2350 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l1 level1 lfo16'><![if !supportLists]><span |
---|
2351 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
2352 | style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'> |
---|
2353 | </span></span></span><![endif]>For Phase parameters <B>add the three broadening |
---|
2354 | terms</B> for the CuCr<sub>2</sub>O<sub>4</sub> phase and the <B>press the Copy |
---|
2355 | flags? button</B>. (Important: not the Copy button!) For the <B><span class=SpellE>CuO</span> |
---|
2356 | phase, add the single sample broadening term and the remaining lattice |
---|
2357 | parameter</B> via the D13 term.<span style='mso-spacerun:yes'> </span>Again, <B>use |
---|
2358 | the Copy flags? button</B>. Note that an additional step is needed in order to |
---|
2359 | vary Phase fractions, as will be discussed below. </p> |
---|
2360 | |
---|
2361 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2362 | |
---|
2363 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
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---|
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---|
2366 | mso-wrap-style:square'> |
---|
2367 | <v:imagedata src="SequentialTutorial_files/image090.png" o:title=""/> |
---|
2368 | </v:shape><![endif]--><![if !vml]><img |
---|
2369 | src="SequentialTutorial_files/image091.png" v:shapes="Picture_x0020_52"><![endif]></span></p> |
---|
2370 | |
---|
2371 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2372 | |
---|
2373 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
2374 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_53" o:spid="_x0000_i1031" |
---|
2375 | type="#_x0000_t75" style='width:249pt;height:186.75pt;visibility:visible; |
---|
2376 | mso-wrap-style:square'> |
---|
2377 | <v:imagedata src="SequentialTutorial_files/image092.png" o:title=""/> |
---|
2378 | </v:shape><![endif]--><![if !vml]><img |
---|
2379 | src="SequentialTutorial_files/image093.png" v:shapes="Picture_x0020_53"><![endif]></span></p> |
---|
2380 | |
---|
2381 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2382 | |
---|
2383 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l1 level1 lfo16'><![if !supportLists]><span |
---|
2384 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
2385 | style='mso-list:Ignore'>4.<span style='font:7.0pt "Times New Roman"'> |
---|
2386 | </span></span></span><![endif]>Start the sequential refinement again with the |
---|
2387 | <B>Calculate/Sequential refine menu item</B>. The fits are significantly improved at |
---|
2388 | higher temperatures, with <span class=SpellE>R<sub>wp</sub></span> values |
---|
2389 | between 13.8 and 17.</p> |
---|
2390 | |
---|
2391 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2392 | |
---|
2393 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l1 level1 lfo16'><![if !supportLists]><span |
---|
2394 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
2395 | style='mso-list:Ignore'>5.<span style='font:7.0pt "Times New Roman"'> |
---|
2396 | </span></span></span><![endif]>We can now add the phase fractions into the |
---|
2397 | refinement, by clicking on the Phase fraction checkbox and Copy Flags button |
---|
2398 | for both phases. However, if the refinement is attempted it will fail as soon |
---|
2399 | as the second histogram is refined with this error:</p> |
---|
2400 | |
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2401 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
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2446 | " filled="f" strokecolor="#4f81bd"> |
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2447 | <v:path arrowok="t"/> |
---|
2448 | <v:textbox> |
---|
2449 | <![if !mso]> |
---|
2450 | <table cellpadding=0 cellspacing=0 width="100%"> |
---|
2451 | <tr> |
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2452 | <td><![endif]> |
---|
2453 | <div> |
---|
2454 | <p class=MsoNormal><span style='font-size:10.0pt;font-family:Courier'>**** |
---|
2455 | ERROR - variable list for this histogram does not match previous<o:p></o:p></span></p> |
---|
2456 | <p class=MsoNormal><span style='font-size:10.0pt;font-family:Courier'><o:p> </o:p></span></p> |
---|
2457 | <p class=MsoNormal><span class=GramE><span style='font-size:10.0pt; |
---|
2458 | font-family:Courier'>current</span></span><span style='font-size:10.0pt; |
---|
2459 | font-family:Courier'> histogram PWDR OH_04.fxye Bank 1 has 24 variables<o:p></o:p></span></p> |
---|
2460 | <p class=MsoNormal><span style='font-size:10.0pt;font-family:Courier'>Variables |
---|
2461 | in previous but not in current<span class=GramE>: ::constr0</span>, <o:p></o:p></span></p> |
---|
2462 | <p class=MsoNormal><span style='font-size:10.0pt;font-family:Courier'><o:p> </o:p></span></p> |
---|
2463 | <p class=MsoNormal><span style='font-size:10.0pt;font-family:Courier'>Previous |
---|
2464 | refinement has 23 variables<o:p></o:p></span></p> |
---|
2465 | <p class=MsoNormal><span style='font-size:10.0pt;font-family:Courier'>Variables |
---|
2466 | in current but not in previous: 1::Scale, 0::Scale, <o:p></o:p></span></p> |
---|
2467 | <p class=MsoNormal><o:p> </o:p></p> |
---|
2468 | </div> |
---|
2469 | <![if !mso]></td> |
---|
2470 | </tr> |
---|
2471 | </table> |
---|
2472 | <![endif]></v:textbox> |
---|
2473 | <w:wrap type="topAndBottom"/> |
---|
2474 | </v:shape><![endif]--><![if !vml]><span style='mso-ignore:vglayout'> |
---|
2475 | <table cellpadding=0 cellspacing=0 align=left> |
---|
2476 | <tr> |
---|
2477 | <td width=64 height=0></td> |
---|
2478 | </tr> |
---|
2479 | <tr> |
---|
2480 | <td></td> |
---|
2481 | <td><img width=572 height=108 src="SequentialTutorial_files/image094.png" |
---|
2482 | alt="Text Box: **** ERROR - variable list for this histogram does not match previous current histogram PWDR OH_04.fxye Bank 1 has 24 variables Variables in previous but not in current: ::constr0, Previous refinement has 23 variables Variables in current but not in previous: 1::Scale, 0::Scale, " |
---|
2483 | v:shapes="Text_x0020_Box_x0020_87"></td> |
---|
2484 | </tr> |
---|
2485 | </table> |
---|
2486 | </span><![endif]><!--[if gte vml 1]></o:wrapblock><![endif]--><br |
---|
2487 | style='mso-ignore:vglayout' clear=ALL> |
---|
2488 | </p> |
---|
2489 | |
---|
2490 | <p class=MsoListParagraphCxSpMiddle>One additional step is needed to switch the |
---|
2491 | constraints to work properly. Note that constraint we defined before (on <span |
---|
2492 | style='font-family:Courier'>0:0:Scale</span> and <span style='font-family:Courier'>1:0:Scale</span>) |
---|
2493 | pertains only to the first histogram. Note that a constraint is ignored if none |
---|
2494 | of the variables in it are included in the refinement, so this constraint only |
---|
2495 | affects the first histogram, giving rise to the error above. We could set up a |
---|
2496 | constraint for each histogram that has been added, but this would be rather |
---|
2497 | tedious to set up. The alternate is to set up a constraint where a wildcard (<span |
---|
2498 | style='font-family:Courier'>*</span>) is used. Wildcards only apply to |
---|
2499 | sequential fits and causes the current histogram number to be inserted for the <span |
---|
2500 | style='font-family:Courier'>*</span> when each histogram is used. </p> |
---|
2501 | |
---|
2502 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2503 | |
---|
2504 | <p class=MsoListParagraphCxSpMiddle>To set up the new constraint, <B>click on the |
---|
2505 | Constraints item</B> in the data tree and the <B>Select tab/Histogram/Phase |
---|
2506 | menu<span style='mso-spacerun:yes'> </span>item</B>, and then <B>click on the |
---|
2507 | Edit/Add constraint</B> menu item. From the menu, we want one of the two <B>x<span |
---|
2508 | style='font-family:Courier'>:*<span class=GramE>:Scale</span></span> wild card |
---|
2509 | phase fractions</B>. </p> |
---|
2510 | |
---|
2511 | <p class=MsoListParagraphCxSpMiddle><span style='mso-spacerun:yes'> </span><span |
---|
2512 | style='mso-fareast-language:EN-US;mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
---|
2513 | id="Picture_x0020_26" o:spid="_x0000_i1030" type="#_x0000_t75" style='width:359.25pt; |
---|
2514 | height:155.25pt;visibility:visible;mso-wrap-style:square'> |
---|
2515 | <v:imagedata src="SequentialTutorial_files/image095.png" o:title="" croptop="3844f" |
---|
2516 | cropbottom="8174f" cropleft="3258f" cropright="2910f"/> |
---|
2517 | </v:shape><![endif]--><![if !vml]><img width=479 height=207 |
---|
2518 | src="SequentialTutorial_files/image096.png" v:shapes="Picture_x0020_26"><![endif]></span></p> |
---|
2519 | |
---|
2520 | <p class=MsoListParagraphCxSpMiddle>There will only be one possible matching |
---|
2521 | variable in the next window, so <B>select that and press OK</B>.</p> |
---|
2522 | |
---|
2523 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
2524 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_27" o:spid="_x0000_i1029" |
---|
2525 | type="#_x0000_t75" style='width:311.25pt;height:104.25pt;visibility:visible; |
---|
2526 | mso-wrap-style:square'> |
---|
2527 | <v:imagedata src="SequentialTutorial_files/image097.png" o:title="" croptop="5557f" |
---|
2528 | cropbottom="11943f" cropleft="3390f" cropright="3551f"/> |
---|
2529 | </v:shape><![endif]--><![if !vml]><img width=415 height=139 |
---|
2530 | src="SequentialTutorial_files/image098.png" v:shapes="Picture_x0020_27"><![endif]></span></p> |
---|
2531 | |
---|
2532 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2533 | |
---|
2534 | <p class=MsoListParagraphCxSpMiddle>The initial and the most recently defined |
---|
2535 | constraints will then be shown. </p> |
---|
2536 | |
---|
2537 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
2538 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_28" o:spid="_x0000_i1028" |
---|
2539 | type="#_x0000_t75" style='width:249.75pt;height:83.25pt;visibility:visible; |
---|
2540 | mso-wrap-style:square'> |
---|
2541 | <v:imagedata src="SequentialTutorial_files/image099.png" o:title="" croptop="6527f" |
---|
2542 | cropbottom="13784f" cropleft="4299f" cropright="4371f"/> |
---|
2543 | </v:shape><![endif]--><![if !vml]><img width=333 height=111 |
---|
2544 | src="SequentialTutorial_files/image100.png" v:shapes="Picture_x0020_28"><![endif]></span></p> |
---|
2545 | |
---|
2546 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2547 | |
---|
2548 | <p class=MsoListParagraphCxSpMiddle>These two constraints will interfere when |
---|
2549 | refining the first histograms, so <B>press the delete button next to the first</B> to |
---|
2550 | remove it.</p> |
---|
2551 | |
---|
2552 | <p class=MsoListParagraphCxSpMiddle><span style='mso-spacerun:yes'> </span><span |
---|
2553 | style='mso-fareast-language:EN-US;mso-no-proof:yes'><!--[if gte vml 1]><v:shape |
---|
2554 | id="Picture_x0020_29" o:spid="_x0000_i1027" type="#_x0000_t75" style='width:252.75pt; |
---|
2555 | height:84pt;visibility:visible;mso-wrap-style:square'> |
---|
2556 | <v:imagedata src="SequentialTutorial_files/image101.png" o:title="" croptop="7993f" |
---|
2557 | cropbottom="14017f" cropleft="4425f" cropright="4157f"/> |
---|
2558 | </v:shape><![endif]--><![if !vml]><img width=337 height=112 |
---|
2559 | src="SequentialTutorial_files/image102.png" v:shapes="Picture_x0020_29"><![endif]></span></p> |
---|
2560 | |
---|
2561 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2562 | |
---|
2563 | <p class=MsoListParagraphCxSpMiddle style='text-indent:-.25in;mso-list:l1 level1 lfo16'><![if !supportLists]><span |
---|
2564 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
2565 | style='mso-list:Ignore'>6.<span style='font:7.0pt "Times New Roman"'> |
---|
2566 | </span></span></span><![endif]>Start the sequential refinement again with the |
---|
2567 | <B>Calculate/Sequential refine menu item.</B> Three new columns appear at the end of |
---|
2568 | the table, <span class=GramE>for <span style='font-family:Courier'>::</span></span><span |
---|
2569 | style='font-family:Courier'>constr0</span> (generated by the constraint) and |
---|
2570 | the initial variables, <span style='font-family:Courier'>0:*:Scale</span> and <span |
---|
2571 | style='font-family:Courier'>1:*:Scale</span>. Changes to the <span |
---|
2572 | class=SpellE>R<sub>wp</sub></span> values are quite small, even though the |
---|
2573 | value for the minor phase changes significantly. This indicates that the |
---|
2574 | refinement is relatively insensitive to these values. </p> |
---|
2575 | |
---|
2576 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2577 | |
---|
2578 | <p class=MsoListParagraphCxSpMiddle>The last thing we will add to the |
---|
2579 | refinement will be atomic parameters. Note that these are handled a bit |
---|
2580 | differently than the previous things we have fit. There is only one set of |
---|
2581 | coordinates for each phase and these will be refined for each histogram, but |
---|
2582 | are not saved individually, except in the summary table.<span |
---|
2583 | style='mso-spacerun:yes'> </span>If we restart the refinement, the coordinates |
---|
2584 | from the last histogram will be used to fit the first. The Reverse order |
---|
2585 | checkbox on the Controls causes the sequential refinement to start with the |
---|
2586 | last histogram, which would avoid this problem. </p> |
---|
2587 | |
---|
2588 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2589 | |
---|
2590 | <p class=MsoListParagraphCxSpMiddle><B>Click on the CuCr2O4 phase</B> to and then the |
---|
2591 | atoms tab. <B>Double-click on the refine label</B> at the top of the atoms table, a |
---|
2592 | refinement controls dialog opens, <B>select X to refine coordinates (only O has |
---|
2593 | coordinates not fixed by symmetry) and U</B> to refine the atomic displacement (<span |
---|
2594 | class=SpellE>Uiso</span>) values.<span style='mso-spacerun:yes'> </span><B>Press |
---|
2595 | OK.</B> </p> |
---|
2596 | |
---|
2597 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
2598 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_31" o:spid="_x0000_i1026" |
---|
2599 | type="#_x0000_t75" style='width:167.25pt;height:156pt;visibility:visible; |
---|
2600 | mso-wrap-style:square'> |
---|
2601 | <v:imagedata src="SequentialTutorial_files/image103.png" o:title=""/> |
---|
2602 | </v:shape><![endif]--><![if !vml]><img width=223 height=208 |
---|
2603 | src="SequentialTutorial_files/image104.png" v:shapes="Picture_x0020_31"><![endif]></span></p> |
---|
2604 | |
---|
2605 | <p class=MsoListParagraphCxSpMiddle>Note the change in the atom table.</p> |
---|
2606 | |
---|
2607 | <p class=MsoListParagraphCxSpMiddle><span style='mso-fareast-language:EN-US; |
---|
2608 | mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_32" o:spid="_x0000_i1025" |
---|
2609 | type="#_x0000_t75" style='width:353.25pt;height:152.25pt;visibility:visible; |
---|
2610 | mso-wrap-style:square'> |
---|
2611 | <v:imagedata src="SequentialTutorial_files/image105.png" o:title=""/> |
---|
2612 | </v:shape><![endif]--><![if !vml]><img width=471 height=203 |
---|
2613 | src="SequentialTutorial_files/image106.png" v:shapes="Picture_x0020_32"><![endif]></span></p> |
---|
2614 | |
---|
2615 | <p class=MsoListParagraphCxSpMiddle>Note that since these parameters are shared |
---|
2616 | directly in all histograms, no Copy or Copy flags menu item is needed or even |
---|
2617 | available. </p> |
---|
2618 | |
---|
2619 | <p class=MsoListParagraphCxSpMiddle><o:p> </o:p></p> |
---|
2620 | |
---|
2621 | <p class=MsoListParagraphCxSpLast style='text-indent:-.25in;mso-list:l1 level1 lfo16'><![if !supportLists]><span |
---|
2622 | style='mso-fareast-font-family:Cambria;mso-bidi-font-family:Cambria'><span |
---|
2623 | style='mso-list:Ignore'>7.<span style='font:7.0pt "Times New Roman"'> |
---|
2624 | </span></span></span><![endif]>Start the sequential refinement again with the |
---|
2625 | <B>Calculate/Sequential refine menu item</B>. The fits are significantly improved at |
---|
2626 | higher temperatures, with <span class=SpellE>R<sub>wp</sub></span> values |
---|
2627 | between 13.8 and 16.4.</p> |
---|
2628 | |
---|
2629 | <p>This completes the sequential refinement tutorial, although many |
---|
2630 | more things could be attempted to further improve the refinement |
---|
2631 | quality. Note that the results of this refinement are used for |
---|
2632 | additional analysis in the <a href="ParametricFitting.htm">Parametric |
---|
2633 | Fitting and Pseudo Variables for Sequential Fits</a> tutorial. |
---|
2634 | |
---|
2635 | </div> |
---|
2636 | |
---|
2637 | </body> |
---|
2638 | |
---|
2639 | </html> |
---|