DO THE SMECTIC-O AND THE ANTIFERROELECTRIC SMECTIC-C PHASES BELONG TO THE SAME PHASE-TYPE

被引：8

作者：

HEPPKE, G ^{[1
]}

KLEINEBERG, P ^{[1
]}

LOTZSCH, D ^{[1
]}

MERY, S ^{[1
]}

SHASHIDHAR, R ^{[1
]}

机构：

[1] USN,RES LAB,CTR BIOMOLEC SCI & ENGN,CODE 6090,WASHINGTON,DC 20375

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1993年 / 231卷

关键词：

ANTIFERROELECTRIC LIQUID CRYSTALS; SMO; SMC(A); MISCIBILITY STUDIES;

D O I：

10.1080/10587259308032511

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Miscibility studies have been carried out between chiral 1-methylheptyl-terephthalidene-bis-amino-cinnamate (MHTAC) and chiral 4-(1-methylheptyloxycarbonyl)-phenyl-4'-octyloxybiphenyl-4-carboxylate (MHPOBC). An uninterrupted miscibility is observed between the SmO phase of MHTAC and the antiferroelectric SmC phase of MHPOBC indicating thereby that these smectic modifications belong to the same phase type. In addition, the antiferroelectric properties of MHTAC have been studied. Above a threshold electric field the SmO phase is transformed into a ferroelectric switching state which exhibits a maximum spontaneous polarization of about 380 nC/cm2.

引用

页码：257 / 262

页数：6

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