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gougou531

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kingjin1985

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3Â¥: Originally posted by xw2008 at 2011-11-30 09:31:05
Coll Code   28027
Rec  Date   1980/01/01
Mod  Date   2005/10/01
Chem Name   Bismuth Iron(III) Oxide
Structured  Bi Fe O3
Sum         Bi1 Fe1 O3
ANX         ABX3
D(calc)     8.35
Title       X ...

ÄãºÃ£¬X-RAY DIFFRACTION STUDY OF ATOMIC STRUCTURE OF FERROMAGNETIC BIFEO3
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5Â¥2015-02-02 18:39:03
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xw2008

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gougou531(½ð±Ò+1): °´Õâ¸ö½¨³öÀ´Ôõô²»¶Ô°¡¡£°ï°ïæ°¡ 2011-11-30 09:48:06
Coll Code   20288
Rec  Date   1980/01/01
Mod  Date   2007/08/01
Chem Name   Bismuth Iron(III) Oxide
Structured  Bi Fe O3
Sum         Bi1 Fe1 O3
ANX         ABX3
D(calc)     8.36
Title       The space group and some electric and magnetic properties of bismuth
            ferrite
Author(s)   Tutov, A.G.
Reference   Fizika Tverdogo Tela (Leningrad) (= Solid State Physics)
            (1969), 11, 2681-2683
            Golden Book of Phase Transitions, Wroclaw
            (2002), 1, 1-123
Unit Cell   3.96 3.96 3.96 89.5 89.5 89.5
Vol         62.09
Z           1
Space Group R 3 m R
SG Number   160
Cryst Sys   trigonal/rhombohedral
Pearson     hR5
Wyckoff     b a2
R Value     .098
Red Cell    RR 3.96 3.96 3.96 89.5 89.5 89.5 62.092
Trans Red   1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000
Comments    Hexagonal setting: 5.576, 6.918
            Stable up to 1083 K (3rd ref., Tomaszewski), decomposes
            above 1123 K
            The structure has been assigned a PDF number (calculated
            powder diffraction data): 01-072-2035
            The structure has been assigned a PDF number (experimental
            powder diffraction data): 20-169
            Structure type : FeBiO3
            X-ray diffraction from single crystal
            At least one temperature factor missing in the paper.
Atom  #   OX   SITE      x           y           z           SOF      H
Bi   1  +3    1 a   0           0           0              1.         0   
Fe   1  +3    1 a   0.5         0.5         0.5            1.         0   
O    1  -2    3 b   0.5         0.5         0              1.         0
2Â¥2011-11-30 09:26:31
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xw2008

Í­³æ (СÓÐÃûÆø)

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gougou531(½ð±Ò+5): лл£¬·Ç³£¸Ðл£¬ÄãÊÇÔÚÄDzéµÄ°¡£¿ 2011-11-30 09:38:33
Coll Code   28027
Rec  Date   1980/01/01
Mod  Date   2005/10/01
Chem Name   Bismuth Iron(III) Oxide
Structured  Bi Fe O3
Sum         Bi1 Fe1 O3
ANX         ABX3
D(calc)     8.35
Title       X-ray diffraction study of the atomic structure of ferromagnetic Bi
            Fe O3
Author(s)   Tomashpol'skii, Yu.Ya.;Venevtsev, Yu.N.;Zhdanov, G.S.
Reference   Kristallografiya
            (1967), 12, 252-257
Unit Cell   3.962(1) 3.962(1) 3.962(1) 89.40(5) 89.40(5) 89.40(5)
Vol         62.18
Z           1
Space Group R 3 m R
SG Number   160
Cryst Sys   trigonal/rhombohedral
Pearson     hR5
Wyckoff     b a2
R Value     .2
Red Cell    RR 3.962 3.962 3.962 89.4 89.4 89.4 62.183
Trans Red   1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000
Comments    Hexagonal setting: 5.574, 6.933
            The structure has been assigned a PDF number (calculated
            powder diffraction data): 01-074-2016
            The structure has been assigned a PDF number (experimental
            powder diffraction data): 20-169
            Structure type : FeBiO3
            X-ray diffraction from single crystal
Atom  #   OX   SITE      x           y           z           SOF      H        ITF(B)   
Bi   1  +3    1 a   0.050(4)    0.050(4)    0.050(4)       1.         0          0.5(5)
Fe   1  +3    1 a   0.50(2)     0.50(2)     0.50(2)        1.         0          0.5(5)
O    1  -2    3 b   0.50(5)     0.50(5)     -.021(50)      1.         0          0.5(5)
3Â¥2011-11-30 09:31:05
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

qhw20100828

гæ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

gougou531(½ð±Ò+1): ¼ÆËãµÄʱºòÊÇÒÔÄÄÒ»¸ö½á¹¹ÎªÖ÷°¡£¿²»Çå³þÁË£¬´ó¼Ò°ï°ïæ°¡ 2011-11-30 11:02:43
ÒýÓûØÌû:
1Â¥: Originally posted by gougou531 at 2011-11-30 09:12:08:
ÈçÌ⣺ÇóBiFeO3(BFO)µÄ½¨Ä£½á¹¹£¬Ð»Ð»¡£¼±ÓÃ

BiFeO3
Moreau J, Michel C, Gerson R, James W
Journal of Physics and Chemistry of Solids 32 (1971) 1315-1320
Ferroelectric BiFeO3 X-Ray and neutron diffraction study
_cod_database_code 1001090
_database_code_amcsd 0013200
5.5876 5.5876 13.867 90 90 120 R3c
atom    x    y     z
Bi1     0    0     0
Fe1     0    0 .2212
O1   .443 .012 .9543
4Â¥2011-11-30 10:51:18
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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