Ferroelastic phase transition in [P(CH3)4]2MnBr4 by EPR of Mn2+ ions

被引：0
|
作者：
Zapart, W [1 ]
Solecki, J
Zapart, MB
Tanaka, K
Sawada, A
机构：
[1] Czestochowa Tech Univ, Inst Phys, PL-42200 Czestochowa, Poland
[2] Matsushita Elect Corp, Elect Res Lab, Osaka 56911, Japan
[3] Okayama Univ, Fac Sci, Dept Phys, Okayama 700, Japan
来源：
FERROELECTRICS | 2002年 / 272卷
关键词：
EPR; phase transition; ferroelastics;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents temperature changes of the EPR lines in [P(CH3)(4)](2)MnBr4 in the vicinity of the ferroelastic phase transition temperature T-c=376.5K. Significant changes in the EPR spectrum have been observed in the temperature range of 370-380K. It is suggested that the changes observed above T-c are caused by rotations of the MnBr4 groups loosely situated in the crystal lattice, whereas changes below T-c are a direct result of rebuilding of the ferroelastic domain structure.
引用
收藏
页码：2185 / 2190
页数：6
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