Structures and thermoelectric convection in cholesteric liquid crystals

被引：2

作者：

Eidel'man, ED ^{[1
]}

机构：

[1] Inst Pharmaceut Chem, St Petersburg, Russia

来源：

PHYSICS OF THE SOLID STATE | 1999年 / 41卷 / 01期

关键词：

Spectroscopy; Convection; Electric Conductivity; State Physics; Liquid Crystal;

D O I：

10.1134/1.1130746

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The possibilities for excitation of electromagnetic field structures and convection cells, i.e., temperature and velocity structures, in a thermotropic cholesteric liquid crystal in the presence of flow are studied. Estimates are made and possible experiments for observing such structures are discussed. A special thermoelectric effect is investigated as the cause of these excitations - the influence of a heating-induced change in the pitch of the cholesteric helix of the molecules on the permittivity and the electric conductivity of the material. (C) 1999 American Institute of Physics. [S1063-7834(99)03401-2].

引用

页码：148 / 152

页数：5