Influence of longitudinal electric field on time characteristics of Freedericksz transition

被引：5
|
作者：
Margaryan, H. L. [1 ]
Aroutiounian, V. M. [1 ]
机构：
[1] Yerevan State Univ, Yerevan 375025, Armenia
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2006年 / 454卷
关键词：
Freedericksz transition; liquid crystal; semiconductor;
D O I：
10.1080/15421400600654223
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Electrooptic properties of liquid crystal cells with semiconductor substrate are studied. A DC electric field has been applied along the semiconductor substrate. It is shown, that presence of such field results both in reduction of Freedericksz threshold and in essential reduction of characteristic reorientation and relaxation times. For more understanding of the mechanism of current flow through the liquid crystal - semiconductor interface, the Volt-Ampere (V-I) and spectral characteristics of photocurrent for such system have been investigated.
引用
收藏
页码：111 / 121
页数：11
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