BEHAVIOR OF SUSCEPTIBILITY AND POLARIZATION NEAR A SMECTIC-A-FERROELECTRIC-SMECTIC-C TRICRITICAL POINT

被引:32
作者
BAHR, C
HEPPKE, G
机构
[1] Iwan-N.-Stranski-Institute for Physics and Theoretical Chemistry, Technical University of Berlin
关键词
D O I
10.1103/PhysRevLett.65.3297
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A binary liquid-crystal system possessing a tricritical point in its smectic-A-ferroelectric-smectic-C phase boundary is studied. The electroclinic tilt susceptibility and the spontaneous polarization are measured on both the first-order and the second-order side of the tricritical point. The experimental results are compared with predictions of a simple Landau model. Good agreement with mean-field behavior is found.
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收藏
页码:3297 / 3300
页数:4
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