Abstract
Abstract A sharp maximum of the soft mode strength has been observed at the chiral smectic C* - smectic A phase transition using on optical detection method. The soft mode peak has been used as an indicator of the phase trantision in the absence of external electric field. Electric field broadens the maximum and shifts it towards higher temperatures. Analysis of the soft mode critical behaviour shows that the dc field does not affect the phase transition temperature.
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More From: Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics
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