RAMAN-SCATTERING STUDY OF A NEW LASER CRYSTAL - LICAALF6

被引：7
|
作者：
DANIEL, P
GESLAND, JY
ROUSSEAU, M
机构：
[1] Equipe de Phusique de I'Etat Condense, URA No.807, Faculte des Seiences, Le Mans, 72017, Avenue Olivier Messiaen
来源：
JOURNAL OF RAMAN SPECTROSCOPY | 1992年 / 23卷 / 04期
关键词：
D O I：
10.1002/jrs.1250230403
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The Raman spectra of the trigonal LiCaAlF6 crystal were recorded st room temperature and 10 K. Three A1g and eight E(g) Raman lines are expected according to group theory. Based on the polarized Raman spectra, symmetry assignments were made for the 11 predicted Raman-active phonon modes. Throughout the temperature range studied, no drastic evolution of the Raman spectra was observed, which suggests that there is no structural phase transition in LiCaAlF6. Analysis of the Raman spectra was made by comparison with previous studies of several crystal fluorides such as Li2ZrF6.
引用
收藏
页码：197 / 200
页数：4
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