Non-equilibrium states in ferroelectrics: Time-resolved studies in Rb2ZnCl4

被引：5
|
作者：
Eckold, G [1 ]
Hagen, M [1 ]
Steigenberger, U [1 ]
机构：
[1] RUTHERFORD APPLETON LAB,ISIS FACIL,CHILTON,ENGLAND
来源：
PHYSICA B | 1997年 / 234卷
关键词：
ferroelectricity; incommensurate structures; non-equilibrium phenomena; phase transitions;
D O I：
10.1016/S0921-4526(96)00933-7
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The kinetics of the ferroelectric phase transition in Rb2ZnCl4, at about 190 K has been investigated by time-resolved neutron scattering. Observing the time dependence of first- and third-order satellite spectra, it is found that the structural changes associated with the field-induced transformation proceed on a millisecond time scale. The application of a periodically varying strong electric field leads to the formation of unusual non-equilibrium states which are characterised by internal strains.
引用
收藏
页码：151 / 152
页数：2
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