Orientational transitions in a cell with twisted nematic liquid crystal

被引：0
|
作者：
Reznikov, Y [1 ]
Sergan, T
机构：
[1] Kent State Univ, Kent, OH 44242 USA
[2] Natl Acad Sci Ukraine, Inst Phys, UA-252022 Kiev, Ukraine
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1999年 / 330卷
关键词：
liquid crystal; cholesteric; chiral agent; orientational transition;
D O I：
暂无
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We studied a stability of a twisted nematic liquid crystal with a photosensitive chiral dopant under homeotropic boundary conditions. Transition between the homeotropic and twisted alignment induced by photochanges in twisting agent and anchoring strength show hysteresis. The period of the "fingerprints" texture of twisted nematic changes discontinuously under the continuous changes of the concentration of twisting agent.
引用
收藏
页码：1619 / 1625
页数：7
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