THE ORIENTATIONAL ORDER OF A RE-ENTRANT NEMATIC PHASE - AN ELECTRON RESONANCE INVESTIGATION

被引：26

作者：

LUCKHURST, GR

SMITH, KJ

TIMIMI, BA

机构：

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1980年 / 56卷 / 10期

关键词：

D O I：

10.1080/01406568008070144

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The orientational order in a re-entrant nematic and its preceding phases using steroidal and alkyl nitroxide spin probes was investigated. The order parameter for the steroidal spin probe in the re-entrant nematic phase is found to be an extension of its value in the preceding smectic A phase. In contrast the gradient of the order parameter for the alkyl spin probe exhibits a marked discontinuity at the smectic A - re-entrant nematic transition.

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页码：315 / 321

页数：7

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