Local structures around Pb(II) and Sn(II) in CH(3)NH(3)PbX(3) (X=Cl, Br, I) and CH(3)NH(3)SnX(3) (X=Br, I) studied by Pb L(III)-edge and Sn K-edge EXAFS

被引：0
|
作者：
Ishida, H [1 ]
Maeda, H [1 ]
Hirano, A [1 ]
Kubozono, Y [1 ]
Furukawa, Y [1 ]
机构：
[1] HIROSHIMA UNIV,FAC SCH EDUC,HIGASHIHIROSHIMA 739,JAPAN
来源：
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1997年 / 159卷 / 02期
关键词：
D O I：
10.1002/1521-396X(199702)159:2<277::AID-PSSA277>3.0.CO;2-C
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Local structures around Pb(II) and Sn(II) in CH(3)NH(3)PbX(3) (X=Cl, Br, I) and CH(3)NH(3)SnX(3) (X=Br, I) were studied by Pb L(III)-edge and Sn K-edge EXAFS in the temperature range of 10 to 293 K. The M-X distances (M=Pb, Sn; X=Cl, Br, I), the coordination numbers, and the Debye-Waller factors were determined in three, four, three, five, and two solid phases of CH3NH3PbCl3, CH3NH3PbBr3, CH3NH3PbI3, CH3NH3SnBr3, and CH3NH3SnI3, respectively. Five kinds of deformed octahedra consisting of halogens were observed.
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页码：277 / 282
页数：6
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