Temperature dependence of spontaneous polarization and tilt in a homologous series of smectics c doped with a chiral additive

L. Bata Central Research Institute for Physics, Hungarian Academy of Sciences, H-1525, P.O. Box 49, Budapest, Hungary

N. ÉBer Central Research Institute for Physics, Hungarian Academy of Sciences, H-1525, P.O. Box 49, Budapest, Hungary

L. A. Beresnev Institute of Crystallography, USSR Academy of Sciences, 117333, Leninsky pr. 59., Moscow, USSR

S. G. Kononov Institute of Crystallography, USSR Academy of Sciences, 117333, Leninsky pr. 59., Moscow, USSR

M. A. Saidakhmetov Institute of Crystallography, USSR Academy of Sciences, 117333, Leninsky pr. 59., Moscow, USSR

Abstract

The spontaneous polarization was measured in a homologous series of smectics C doped with a chiral additive. An unusual temperature dependence was found which can be well fitted using the generalized Landau model of ferroelectric smectics. The temperature dependence of the tilt angle was also determined and compared with present theories.

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Temperature dependence of spontaneous polarization and tilt in a homologous series of smectics c doped with a chiral additive

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Temperature dependence of spontaneous polarization and tilt in a homologous series of smectics c doped with a chiral additive

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