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YGaO3µÄCIF
lichun1210(½ð±Ò+5):ÎÒÏ£ÍûÄãÄܸøÎÒÒ»¸öCIF¿¨Æ¬£¬ÐÁ¿àÁË¡£ 2010-05-26 21:07:01
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*data for ICSD #1999 Coll Code 1999 Rec Date 1980/01/01 Mod Date 2006/04/01 Chem Name Yttrium Gallate - Ht Structured Y (Ga O3) Sum Ga1 O3 Y1 ANX ABX3 D(calc) 5.56 Title The crystal structure of a new high-temperature modification of Y Ga O3 Author(s) Geller, S.;Jeffries, J.B.;Curlander, P.J. Reference Acta Crystallographica B (24,1968-38,1982) (1975), 31, 2770-2774 Unit Cell 6.065(2) 6.065(2) 11.615(4) 90. 90. 120. Vol 370.01 Z 6 Space Group P 63 c m SG Number 185 Cryst Sys hexagonal Pearson hP30 Wyckoff c3 b2 a2 R Value .04 Red Cell P 6.065 6.065 11.615 90 90 120 370.008 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments M.p. 1970 K The structure has been assigned a PDF number (experimental powder diffraction data): 70-944 Structure type : LuMnO3 X-ray diffraction from single crystal Atom # OX SITE x y z SOF H Y 1 +3 2 a 0 0 0.2716(5) 1. 0 Y 2 +3 4 b 0.3333 0.6667 0.2347(3) 1. 0 Ga 1 +3 6 c 0.3376(8) 0 0 1. 0 O 1 -2 6 c 0.3104(30) 0 0.1578(21) 1. 0 O 2 -2 6 c 0.6394(29) 0 0.3419(18) 1. 0 O 3 -2 2 a 0 0 0.4387(25) 1. 0 O 4 -2 4 b 0.3333 0.6667 0.0161(22) 1. 0 Lbl Type Beta11 Beta22 Beta33 Beta12 Beta13 Beta23 Y1 Y3+ 0.0077(7) 0.0077(7) 0.0009(1) 0.0038(4) 0 0 Y2 Y3+ 0.0059(3) 0.0059(3) 0.0011(1) 0.0029(2) 0 0 Ga1 Ga3+ 0.0090(4) 0.0094 0.0009(1) 0.0045(2) 0 0.0002(2) O1 O2- 0.0135 0.003 0.0025 0.0068 0 0.002 O2 O2- 0.0135 0.003 0.0025 0.0068 0 0.002 O3 O2- 0.003 0.003 0.0006(11) 0.0015 0 0 O4 O2- 0.0111(32) 0.0111(32) 0.0013(11) 0.0055(17) 0 0 *end for ICSD #1999 |

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