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A field-reversal method for measuring the parameters of a ferroelectric liquid crystal

被引：23
|
作者：
Panov, V
Vij, JK [1 ]
Shtykov, NM
机构：
[1] Univ Dublin Trinity Coll, Dept Elect & Elect Engn, Dublin 2, Ireland
[2] Russian Acad Sci, Inst Crystallog, Moscow 117333, Russia
来源：
LIQUID CRYSTALS | 2001年 / 28卷 / 04期
关键词：
D O I：
10.1080/02678290010020175
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A method for measuring the spontaneous polarization P-s, the switching time, the rotational viscosity gamma (phi), and the d.c. conductivity sigma is presented. The possibilities of estimating the azimuthal angle phi (o), the dielectric anisotropy Delta epsilon and the dielectric permittivity epsilon (perpendicular to) in the same experiment are also discussed. It is explicitly shown that the switching delay, though primarily dependent on the material and the applied field, is also dependent on the geometry of the cell.
引用
收藏
页码：615 / 620
页数：6
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