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THE CRYSTAL-STRUCTURE OF TETRAGONAL FORM PBSNF4

被引：22
作者：
ITO, Y
MUKOYAMA, T
FUNATOMI, H
YOSHIKADO, S
TANAKA, T
机构：
[1] DOSHISHA UNIV,DEPT ELECTR,KYOTO 602,JAPAN
[2] OSAKA UNIV,INST SCI & IND RES,IBARAKI,OSAKA 567,JAPAN
来源：
SOLID STATE IONICS | 1994年 / 67卷 / 3-4期
关键词：
D O I：
10.1016/0167-2738(94)90021-3
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We carried out single crystal X-ray diffraction measurement of tetragonal form PbSnF4: a = 4.215(3) angstrom, c = 11.744(32) angstrom, V = 208.6(5) angstrom3, spacegroup P4/nmm, z = 2, and D(calc) = 6.26 g/cm3. The structure was refined to wR = 0.031 by the least-squares methods, using 132 reflections. The compound has the order arrangement of Pb and Sn metals constructing the sequence of ...PbPbSnSnPbPb... along the c-axis direction. The fluorine ions in M2(Sn) cube were disordered in distorted tetrahedra. It is considerable that the disordered ions are related with the high ionic conductivity in PbSnF4.
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页码：301 / 305
页数：5
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