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bible2

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yangayo: ½ð±Ò+1, ¡ï¡ï¡ïºÜÓаïÖú 2013-08-19 16:21:14
ANX         A2B2X7
D(calc)     6.03
Title       Annular dynamical disorder of the rare earth ions in a La2 Zr2 O7
            pyrochlore via single crystal synchroton x-ray diffraction
Author(s)   Tabira, Y.;Withers, R.L.;Yamada, T.;Ishizawa, N.
Reference   Zeitschrift fuer Kristallographie (149,1979-)
            (2001), 216, 92-98
Unit Cell   10.7997(3) 10.7997(3) 10.7997(3) 90. 90. 90.
Vol         1259.61
Z           8
Space Group F d -3 m Z
SG Number   227
Cryst Sys   cubic
Pearson     cF88
Wyckoff     f d c b
R Value     .015
Red Cell    F  7.636 7.636 7.636 60 60 60 314.902
Trans Red   0.500 0.500 0.000 / 0.000 0.500 0.500 / 0.500 0.000 0.500
Comments    The structure has been assigned a PDF number (calculated
            powder diffraction data): 01-070-5602
            Synchrotron radiation (single crystal)
            Structure type : NaCa(Nb2O6)F
Atom  #   OX   SITE      x           y           z           SOF      H
La   1  +3    16 d  0.5         0.5         0.5            1.         0   
Zr   1  +4    16 c  0           0           0              1.         0   
O    1  -2    48 f  0.3307(2)   0.125       0.125          1.         0   
O    2  -2    8 b   0.375       0.375       0.375          1.         0   
Lbl  Type      U11         U22         U33         U12         U13         U23
La1  La3+  0.00648(4)  0.00648(4)  0.00648(4)  -0.00159(4) -0.00159(4) -0.00159(4)
Zr1  Zr4+  0.00382(5)  0.00382(5)  0.00382(5)  0.00013(8)  0.00013(8)  0.00013(8)  
O1   O2-   0.0086(7)   0.0070(4)   0.0070(4)   0           0           0.0036(6)   
O2   O2-   0.0073(7)   0.0073(7)   0.0073(7)   0           0           0           
*end for    ICSD #51573


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2Â¥2013-05-05 08:58:26
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yangayo

Ìú³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by bible2 at 2013-05-05 08:58:26
ANX         A2B2X7
D(calc)     6.03
Title       Annular dynamical disorder of the rare earth ions in a La2 Zr2 O7
            pyrochlore via single crystal synchroton x-ray diffraction
Author(s) ...

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3Â¥2013-08-19 16:21:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bible2

°æÖ÷ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
3Â¥: Originally posted by yangayo at 2013-08-19 16:21:04
ллÀ²£¬²»Öª´óÉñ£¬Äܲ»ÄÜÓÃdiamondÈí¼þ»­³öÀ´°¡£¬»òÕßËûµÄ¾§Ìå½á¹¹´ÓÄÄÀï¿ÉÒԲ鵽°¡...

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4Â¥2013-08-19 17:25:31
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yangayo

Ìú³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by bible2 at 2013-08-19 17:25:31
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5Â¥2013-08-20 12:55:29
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