Dielectric properties of a ferroelectric liquid crystal mixture under bias electric field

TP Majumdar, SS Roy, SK Roy, M Mitra

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    Abstract

    The dielectric properties of a ferroelectric liquid crystal mixture of low spontaneous polarization have been studied here as a function of D.C. bias voltage, frequency and cell thickness. A small sharp peak of dielectric constant is found to become prominent at the chiral smectic C-smectic A phase transition under the condition in which Goldstone mode is suppressed. The relaxation frequency, dielectric strength and the rotational viscosity of the Goldstone mode have been determined under D.C. field.
    Original languageEnglish
    Pages (from-to)577-590
    JournalMolecular Crystals and Liquid Crystals
    Volume265
    Publication statusPublished - 1995

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