Line | |
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1 | #Cerium Niobium Oxide, CeNb04 |
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2 | #Monoclinic, I2/a (15), Z = 4. The structure of CeNb04 has been determined using neutron |
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3 | #powder diffraction by Santoro et al. [1980]. This phase had earlier been reported to be in |
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4 | #space group Ia(5) by Komkov [1959]. CeNb04 is isostructural with other rare earth niobates |
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5 | #and tantalates [Roth et al., 1977]. The structure is a distorted scheelite type called |
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6 | #beta-fergusonite-(Ce) or brocenite [Kuo et al., 1975]. |
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7 | #Lattice constants of this sample |
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8 | #a = 5.5403(7), b =11.4087(14), c = 5.1631(7), beta = 94.602(13) |
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9 | #a/b = 0.4856, c/b = 0.4526 |
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10 | #Volume 325.30 A3 |
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11 | 5.705 |
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12 | 4.973 |
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13 | 4.697 |
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14 | 3.233 |
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15 | 3.133 |
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16 | 3.059 |
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17 | 2.852 |
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18 | 2.761 |
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19 | 2.574 |
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20 | 2.462 |
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21 | 2.357 |
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22 | 2.346 |
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23 | 2.308 |
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24 | 2.242 |
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25 | 2.0861 |
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26 | 2.0343 |
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27 | 2.0019 |
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28 | 1.9841 |
---|
29 | 1.9622 |
---|
30 | 1.9455 |
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31 | 1.9111 |
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32 | 1.9017 |
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33 | 1.8557 |
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34 | 1.8112 |
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35 | 1.7264 |
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36 | 1.7114 |
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37 | 1.6982 |
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38 | 1.684 |
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