Calorimetric and optical microscopic studies on one ferroelectric liquid-crystal compound with the smectic-A/emph> phase

Cheng-Cher Huang, D. S. Lin, J. W. Goodby, M. A. Waugh, S. M. Stein, E. Chin

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16 Scopus citations

Abstract

Detailed calorimetric measurements have been carried out on the chiral and racemic versions of one chiral liquid-crystal compound that exhibits an unusual and new smectic-A* (Sm-A*) phase in the pure chiral compound. Both the smectic-A (Sm-A)smectic-C (Sm-C) transition in the racemic compound and the Sm-A*chiralSm-C transition in the pure chiral compound display a first-order transition with heat-capacity anomalies qualitatively similar to but quantitatively different from that observed in the ordinary Sm-ASm-C transition. Results from optical microscopic studies on the phase diagram of binary mixtures of the dextro and levo versions of the chiral compounds are reported.

Original languageEnglish (US)
Pages (from-to)4153-4156
Number of pages4
JournalPhysical Review A
Volume40
Issue number7
DOIs
StatePublished - Jan 1 1989

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