Raman and infrared study of the crystals with molecular anions in the region of a solid-liquid phase transition

被引:29
作者
Gafurov, MM [1 ]
Aliev, AR [1 ]
Akhmedov, IR [1 ]
机构
[1] Russian Acad Sci, Daghestan Sci Ctr, Inst Phys, Makhachkala 367003, Russia
基金
俄罗斯基础研究基金会;
关键词
vibrational spectroscopy; Raman scattering; infrared absorption; molten salt; ionic crystal; solid-liquid phase transition; pre-melting behavior; molecular relaxation; rotational motion; vibrational dephasing;
D O I
10.1016/S1386-1425(02)00014-8
中图分类号
O433 [光谱学];
学科分类号
0703 ; 070302 ;
摘要
It is presented the Raman and infrared (IR) spectroscopic investigations of the thiocyanates: LiSCN, NaSCN, KSCN, RbSCN, CsSCN; nitrates: Ca(NO3)(2), Sr(NO3)(2), Ba(NO3)(2), Pb(NO3)(2); and perrhenates: LiReO4, NaReO4, KReO4 in the region of a solid-liquid phase transition. The differences in a pre-melting behavior of this salts were found which can be attributed to a different geometry of the SCN-, NO3- and ReO4- anions. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:2683 / 2692
页数:10
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