DIELECTRIC-RELAXATION PROCESSES IN A MODEL FERROELECTRIC LIQUID-CRYSTAL

被引：24

作者：

WROBEL, S

HAASE, W

PFEIFFER, M

BERESNEV, L

GEELHAAR, T

机构：

[1] JAGIELLONIAN UNIV,INST PHYS,PL-30059 KRAKOW,POLAND

[2] ACAD SCI USSR,INST CRYSTALLOG,MOSCOW 117333,USSR

[3] E MERCK AG,W-6100 DARMSTADT,GERMANY

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1992年 / 212卷

关键词：

DIELECTRIC RELAXATION; FERROELECTRIC;

D O I：

10.1080/10587259208037275

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The soft mode, Goldstone mode and a new ferroelectric mode have been detected in the Sm C* phase of a fluorinated compound. The dielectric increment of the Goldstone mode found in the Sm G* phase is by about one order of magnitude lower in comparison with that found in the Sm C phase. In addition to collective processes, in both chiral phases a biased reorientation of molecules around their long axes contributes to the dielectric increment. © 1992, Taylor & Francis Group, LLC. All rights reserved.

引用

页码：335 / 343

页数：9

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