Temperature-dependent Raman scattering spectra of CsBi(MoO4)2

被引：9
|
作者：
Maczka, M [1 ]
Kojima, S
Hanuza, J
机构：
[1] Univ Tsukuba, Inst Mat Sci, Tsukuba, Ibaraki 3058573, Japan
[2] Polish Acad Sci, Inst Low Temp & Struct Res, PL-50950 Wroclaw 2, Poland
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2000年 / 61卷 / 05期
基金：
日本学术振兴会;
关键词：
inorganic compounds; Raman spectroscopy; phase transitions;
D O I：
10.1016/S0022-3697(99)00270-X
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Successive phase transitions in CsBi(MoO4)(2) at 125 and 325 K have been studied by Raman spectroscopy. The changes in the crystal structure, induced by the low-temperature first-order transition, have been discussed. The found anomalous shifts of some internal modes towards lower frequency with decreasing temperature have been explained as a result of strengthening of [GRAPHICS] double or single [GRAPHICS] oxygen bridges. The present results also provide information on the origin of the unknown phase, identified recently in CsDy(MoO4)(2). (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：735 / 742
页数：8
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