Polarization switching and domain structure in LaBGeO5 crystals

被引：4
|
作者：
Milov, E. [1 ]
Milov, V.
Strukov, B.
Yazaki, Strukov K.
机构：
[1] Lomonosov State Univ, Moscow 119992, Russia
[2] Waseda Univ, Tokyo 1698555, Japan
来源：
FERROELECTRICS | 2006年 / 341卷
关键词：
LaBGeO5; polarization switching; domain structure; SHG microscope;
D O I：
10.1080/00150190600889346
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Some new features of the polarization switching processes in the high temperature (T-c = 533 degrees C) ferroelectric LaBGeO5 crystal regarding the stability of the domain structure are discussed. The shape of the switching current for different values of the electric field in rectangular pulses is described in the framework of the model taking into account the possible heterogeneity of the crystal-the different probability of the domain nucleation in different parts of the crystal. Stability of the mono-domain state was studied by means of pyroelectric measurements. The "natural" domain structure and artificial one are visualized.
引用
收藏
页码：39 / 48
页数：10
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