DYNAMIC BEHAVIOR OF THIN FERROELECTRIC LIQUID-CRYSTAL FILMS IN AC ELECTRIC-FIELDS

被引：8
|
作者：
LO, WS [1 ]
PELCOVITS, RA [1 ]
PINDAK, R [1 ]
SRAJER, G [1 ]
机构：
[1] AT&T BELL LABS, MURRAY HILL, NJ 07974 USA
来源：
PHYSICAL REVIEW A | 1990年 / 42卷 / 06期
关键词：
D O I：
10.1103/PhysRevA.42.3630
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study both experimentally and theoretically the behavior of a freely suspended ferroelectric smectic-C* liquid-crystal film in the presence of an ac electric field. The field drives the system periodically between two ordered phases with opposite polarization. We find several different regimes of dynamical behavior depending on the strength of the field. These results are explained in terms of a phenomenological free energy. © 1990 The American Physical Society.
引用
收藏
页码：3630 / 3633
页数：4
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