Effect of spontaneous polarization on smectic C*-smectic A* phase transition temperature and the thickness dependence of the spontaneous polarization of ferroelectric liquid crystal

被引：12
|
作者：
Roy, SS
Majumder, TP
Roy, SK [1 ]
Mukherjee, PK
机构：
[1] Indian Assoc Cultivat Sci, Dept Spect, Calcutta 700032, W Bengal, India
[2] Saha Inst Nucl Phys, Calcutta 700064, W Bengal, India
来源：
LIQUID CRYSTALS | 1998年 / 25卷 / 01期
关键词：
D O I：
10.1080/026782998206498
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The influence of spontaneous polarization on the smectic C*-smectic A* phase transition was studied theoretically by means of Landau theory. It was observed from the theoretical calculations that the transition temperature from a non-chiral to chiral smectic C phase is shifted due to the effect of bilinear and biquadratic couplings. A qualitative relationship has also been derived between spontaneous polarization and cell thickness which supports the experimental observations of the increase of spontaneous polarization with the increase of cell thickness for surface-stabilized ferroelectric liquid crystals.
引用
收藏
页码：59 / 62
页数：4
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