PHASE-TRANSITIONS IN KLISO4 AND RBLISO4+ - AN INFRARED SPECTROSCOPIC INVESTIGATION

被引：7
|
作者：
VARMA, V
BHATTACHARJEE, R
FERNANDES, JR
RAO, CNR
机构：
[1] Solid State and Structural Chemistry Unit Indian Institute of Science, Bangalore
来源：
SOLID STATE COMMUNICATIONS | 1990年 / 76卷 / 05期
关键词：
D O I：
10.1016/0038-1098(90)90103-I
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Infrared spectroscopy shows the occurrence of a transition to a phase of lower symmetry on cooling KLiSO4 below 170K, but there appears to be no change in the point group symmetry of the SO42- ion across the C66-C43v transition around 200K. Infrared spectra characteristic of the various phases (I-V) of RbLiSO4 have been obtained. True monoclinic order in RbLiSO4 seems to be present only in the room-temperature phase (V). Bands due to the LiO4 units in both these solids have been studied through the phase transitions. © 1990.
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页码：627 / 630
页数：4
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