Change of thermotropic properties in liquid crystal with multiple phase transitions: Surface “aging” effect

Sevtap Yıldız and Arif Nesrullajev

Physica A: Statistical Mechanics and its Applications, 2007, vol. 385, issue 1, 25-34

Abstract: The effect of surface “aging” on thermotropic properties of polymorphic mesogen, 4-butoxyphenylester of 4-decyloxybenzoic acid (BPEDBA) which exhibits the smectic G, smectic C, smectic A, and nematic mesophases has been investigated. Temperatures of direct and reverse phase transitions and temperature widths of the heterophase regions have been determined with high accuracy. The shift of the phase transition temperatures and change of the temperature widths of the heterophase regions under the influence of surface “aging” have been reported.

Keywords: Liquid crystal; Nematic; Smectic A; Aging effect (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:385:y:2007:i:1:p:25-34

DOI: 10.1016/j.physa.2007.06.028

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