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ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

*data for   ICSD #55284
Coll Code   55284
Rec  Date   2005/10/01
Chem Name   Cerium(IV) Oxide
Structured  Ce O2
Sum         Ce1 O2
ANX         AX2
Min Name    Ceria
D(calc)     6.82
Title       Positional disorder of oxygen ions in ceria at high temperatures
Author(s)   Yashima, M.;Kobayashi, S.
Reference   Applied Physics Letters
            (2004), 84, 526-528
Unit Cell   5.5133(1) 5.5133(1) 5.5133(1) 90 90 90
Vol         167.58
Z           4
Space Group F m -3 m
SG Number   225
Cryst Sys   cubic
Pearson     cF12
Wyckoff     f c a
R Value     0.0183
Red Cell    F  3.898 3.898 3.898 60 60 60 41.896
Trans Red   0.500 0.500 0.000 / 0.000 0.500 0.500 / 0.500 0.000 0.500
Comments    Total SOF on at least one site differs from unity (SOF <
            0.997 resp. SOF > 1.003)
            Compound with mineral name: Ceria
            Neutron diffraction (powder)
            Rietveld profile refinement applied
            Temperature in Kelvin: 1770
Atom  #   OX   SITE      x           y           z           SOF      H        ITF(U)   
Ce   1  +4    4 a   0.          0.          0.             1.         0       0.0340(7)
O    1  -2    8 c   0.250       0.250       0.250          0.90(3)    0        0.041(2)
O    2  -2    32 f  0.325(9)    0.325(9)    0.325(9)       0.025(6)   0        0.041(2)
*end for    ICSD #55284
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