Effects of electrohydrodynamic instability in smectic C liquid crystals

被引：0
|
作者：
O. A. Denisova
A. N. Chuvyrov
机构：
[1] Ufa State University of Economics and Service,
[2] Bashkir State University,undefined
来源：
Crystallography Reports | 2013年 / 58卷
关键词：
Liquid Crystal; Crystallography Report; Smectic Phase; Smectic Layer; Liquid Crystal Layer;
D O I：
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学科分类号：
摘要：
The effects of electrohydrodynamic instability (EHDI) in smectic C liquid crystals in an electric field are studied. The objects of study are oriented layers of para-hydroxybenzoic acid possessing a smectic phase. The observed effects are divided into three groups according to the character of the motion of molecular centers of mass and the orientation of the director and the smectic C liquid crystal layers. The instabilities of the azimuthal and Kapustin-Williams domains are experimentally found. The experimental cell consists of two glass plates with tin dioxide electrodes separated by Mylar spacers of a specified thickness. Various schemes of domain rotation are considered. The EHDI is found to depend on the layer geometry.
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页码：324 / 327
页数：3
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