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*data for   ICSD #66559
Coll Code   66559
Rec  Date   1994/01/19
Chem Name   Aluminium Oxide (2.1/3.2) - Gamma
Structured  Al2.144 O3.2
Sum         Al2.144 O3.2
ANX         A21X32
D(calc)     3.66
Title       Structures and transformation mechanisms of the eta, gamma and theta
            transition aluminas
Author(s)   Zhou, R.-S.;Snyder, R.L.
Reference   Acta Crystallographica B (39,1983-)
            (1991), 47, 617-630
Unit Cell   7.911(2) 7.911(2) 7.911(2) 90. 90. 90.
Vol         495.1
Z           10
Space Group F d -3 m Z
SG Number   227
Cryst Sys   cubic
Pearson     cF53
Wyckoff     e2 d a
R Value     .076
Red Cell    F  5.593 5.593 5.593 60 60 60 123.775
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  1.003)
            Neutron diffraction (powder)
            Rietveld profile refinement applied
            Deviation of the charge sum from zero tolerable.
Atom  #   OX   SITE      x           y           z           SOF      H        ITF(B)   
O    1  -2    32 e  0.2547(5)   0.2547(5)   0.2547(5)      1.         0              1.
Al   1  +3    16 d  0.5         0.5         0.5            0.58(1)    0             0.5
Al   2  +3    8 a   0.125       0.125       0.125          0.84(2)    0             0.5
Al   3  +3    32 e  0.0272(24)  0.0272(24)  0.0272(24)     0.17(2)    0             0.5
*end for    ICSD #6655
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zzy870720z(½ð±Ò+1):ллÌáʾ 2010-10-14 19:49:17
cuimingshan(½ð±Ò+1): 2010-10-15 08:14:09
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3Â¥2010-10-14 19:00:48
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cash_ms

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cuimingshan(½ð±Ò+1): 2010-10-15 08:13:59
ÒýÓûØÌû:
Originally posted by cuimingshan at 2010-10-14 18:10:03:
*data for   ICSD #66559
Coll Code   66559
Rec  Date   1994/01/19
Chem Name   Aluminium Oxide (2.1/3.2) - Gamma
Structured  Al2.144 O3.2
Sum         Al2.144 O3.2
ANX         A21X32
D(calc)    ...

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2Â¥2010-10-14 18:52:31
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cuimingshan

½ð³æ (СÓÐÃûÆø)

ÇóÖú

ÒýÓûØÌû:
Originally posted by cuimingshan at 2010-10-14 18:10:03:
*data for   ICSD #66559
Coll Code   66559
Rec  Date   1994/01/19
Chem Name   Aluminium Oxide (2.1/3.2) - Gamma
Structured  Al2.144 O3.2
Sum         Al2.144 O3.2
ANX         A21X32
D(calc)    ...

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cuimingshan

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ÒýÓûØÌû:
Originally posted by cash_ms at 2010-10-14 18:52:31:

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