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

页码：735 / 742

页数：8

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