Effect of Pressure on Phase Behavior of a Dimesogenic Liquid Crystal Compound

Yoji Maeda National Institute of Materials and Chemical Research, Tsukuba, Ibaraki, 305, Japan

Yong-Kuk Yun Department of Chemistry, Korea University, Seoul, 136-701, Korea

Jung-Il Jin Department of Chemistry, Korea University, Seoul, 136-701, Korea

Abstract

Structural phase behavior of a dimesogenic liquid crystalline compound(KI5) was investigated under hydrostatic pressures by wide-angle x-ray scattering apparatus equipped with a high pressure sample vessel. An additional, enantiotropic mesopahsc transition is found at all pressures. It is found that applying pressure induces the formation of a crystalline polymorph.

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Effect of Pressure on Phase Behavior of a Dimesogenic Liquid Crystal Compound

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