Pyridinium salt investigations under high pressure: pressure-induced phase transitions in ferroelectric pyridinium perrhenate

被引：6
|
作者：
Czarnecki, P
Beskrovny, AI
Bobrowicz-Sarga, L
Lewicki, S
Wasicki, J
机构：
[1] Adam Mickiewicz Univ Poznan, Fac Phys, PL-61614 Poznan, Poland
[2] Dubna Joint Nucl Res Inst, Frank Lab Neutron Phys, RU-141980 Dubna, Russia
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2005年 / 17卷 / 40期
关键词：
D O I：
10.1088/0953-8984/17/40/016
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The properties of pyridinium perrhenate have been studied by three methods: dielectric spectroscopy, neutron powder diffractometry and NMR spectrometry under high pressure. It has been shown that under high pressure the temperatures of the two phase transitions in the crystal are shifted towards lower ones. Moreover, the results have shown the occurrence of a new high pressure phase with a triple point corresponding to the pressure of 100 MPa and the temperature of 240 K.
引用
收藏
页码：S3131 / S3138
页数：8
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