Simultaneous observation of electric field coupling to longitudinal and transverse ferroelectricity in a chiral liquid crystal

被引：79

作者：

Link, DR

Maclennan, JE

Clark, NA

机构：

[1] Condensed Matter Laboratory, Department of Physics, University of Colorado, Boulder, PA

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 77卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.77.2237

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report novel odd-even layering effects in freely suspended films of the chiral liquid crystal MHPOBC in its antiferroelectric smectic phase. Films with an odd number of smectic layers are characterized by transverse ferroelectricity (molecular tilt plane perpendicular to applied electric field E), while films with an even number of layers exhibit longitudinal ferroelectricity (molecular tilt plane parallel to E). This is the first observation of the simultaneous electric field manipulation of longitudinal and transverse ferroelectric polarization in liquid crystals.

引用

页码：2237 / 2240

页数：4

共 22 条

[1] FERROELECTRIC-ANTIFERROELECTRIC PHASE-TRANSITION IN A 2-MOLECULAR-LAYER FREESTANDING LIQUID-CRYSTAL FILM [J].