Dynamics of the smectic layer reorientation of ferroelectric liquid crystals

I. Dierking, L. Komitov, S. T. Lagerwall

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Detailed experimental results of a systematic investigation of the dynamics of the in-plane smectic layer reorientation in SmC * ferroelectric liquid crystals on application of different types of asymmetric electric fields are reported. The reversible reorientation of smectic layers is characterized as a function of field asymmetry, electric field amplitude, frequency, cell gap and temperature. On the basis of the observed behaviour we discuss a phenomenological interpretation of the smectic layer reorientation in terms of dominant influences - director switching, convection due to ionic motion and liquid crystal substrate interactions - which limit the rotation to the amount of twice the tilt angle.
    Original languageEnglish
    Pages (from-to)775-782
    Number of pages7
    JournalLiquid Crystals
    Volume24
    Issue number5
    Publication statusPublished - May 1998

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