OBSERVATION OF THE PHASE MODE IN AN ANTIFERROELECTRIC LIQUID-CRYSTAL BY PHOTON-CORRELATION TECHNIQUE

被引：36
|
作者：
SUN, H
ORIHARA, H
ISHIBASHI, Y
机构：
[1] Synthetic Crystal Research Laboratory, School of Engineering, Nagoya University, Chikusa-ku, Furo-cho
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1991年 / 60卷 / 12期
关键词：
ANTIFERROELECTRIC LIQUID CRYSTAL; MHPOBC; PHOTON CORRELATION; PHASE MODE; RELAXATION FREQUENCY;
D O I：
10.1143/JPSJ.60.4175
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The temperature dependence of phase mode relaxation frequencies in the SmC(A)* phase (antiferroelectric phase), SmC-gamma* phase (ferrielectric phase) and SmC* phase (ferroelectric phase), and the dispersion of the phase mode in the SmC-gamma* phase were measured by photon correlation technique in R-MHPOBC [GRAPHICS] The relaxation frequencies of the phase modes in SmC(A)* and SmC* are almost the same and are much higher than that in the SmC-gamma* phase. The relaxation frequency gradually decreases with decreasing temperature in the SmC(A)* phase. In the SmC-gamma* phase, the phase mode shows a parabolic dispersion.
引用
收藏
页码：4175 / 4180
页数：6
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