RAMAN-SCATTERING STUDY OF [N(CD3)4]2ZNCL4 UNDER HYDROSTATIC-PRESSURE

被引：1
|
作者：
HENOCQUE, J
HEDOUX, A
SAUVAJOL, JL
机构：
[1] UNIV LILLE 1,UFR PHYS,DYNAM & STRUCT MAT MOLEC LAB,UA 801,F-59655 VILLENEUVE DASCQ,FRANCE
[2] UNIV MONTPELLIER 2,GDPC,UA 233,F-34095 MONTPELLIER 5,FRANCE
来源：
JOURNAL OF RAMAN SPECTROSCOPY | 1993年 / 24卷 / 06期
关键词：
D O I：
10.1002/jrs.1250240606
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Raman spectra were measured for [N(CD3)4]2ZnCl4 over the pressure range 1-2000 bar. The influence of pressure was studied for the ZnCl4 bending modes and the 24 cm-1 phonon peak. The pressure dependence of these modes was interpreted having regard to the phase transitions predicted by the temperature-pressure diagram. The pressure dependence of all the recorded spectra highlights a critical behaviour at about 500 bar which does not correspond to any phase transition in the diagram. This phenomenon was interpreted by consideration of the modulation characteristics.
引用
收藏
页码：371 / 376
页数：6
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