DESTRUCTION OF AN INTERCALATED STRUCTURE IN A SMECTIC-A PHASE

被引：7

作者：

HADDAWI, S ^{[1
]}

DEMUS, D ^{[1
]}

DIELE, S ^{[1
]}

KRESSE, H ^{[1
]}

PELZL, G ^{[1
]}

WEISSFLOG, W ^{[1
]}

WIEGELEBEN, A ^{[1
]}

机构：

[1] MARTIN LUTHER UNIV HALLE WITTENBERG,MAX PLANCK GESELL & ARBEITSGRP FLUSSIGKRISTALLINE SYST,O-4020 HALLE,GERMANY

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1994年 / 238卷

关键词：

INTERCALATED S(A)-PHASE; MIXTURE; SHORT RANGE INTERACTION; CALORIMETRIC; DIELECTRIC X-RAY STUDIES;

D O I：

10.1080/10587259408046919

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The destruction of the intercalated smectic A structure of a laterally bulky branched 1,4-phenylen dibenzoate A by addition of a rodlike cinnamate B was studied by the phase diagram as well as by calorimetric, x-ray and dielectric measurements. The thermal stability of the S(A) phase of compound A and its phase transition enthalpy decrease with increasing concentration of B. Furthermore, the destruction of the short range order of A is characterized by increasing layer distances, decreasing dipolar correlation and an increasing dielectric relaxation frequency only of component A.

引用

页码：109 / 116

页数：8

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