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The simulation of ferroelectric liquid crystal switching dynamics revealed that director depending interfacial interaction between liquid crystal molecules and substrate surface has a pronounced effect on FLC switching processes. When the interfacial interaction is strong, switching processes have multiple steps, polarization reversal current shows multiple peaks and optical response time becomes long. Especially, if the interfacial interaction polar component is large, optical stability is decreased. This simulation enables designing ferroelectric liquid crystal switching devices with fast response and good optical bistability.

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We have depeloped a novel method for transferring a well aligned ferroelectric liquid crystal (FLC) thin film onto a solid substrate. A free-standing FLC film has been successfully obtained on a solid substrate with this method. A homeotropic alignment in smectic phase has been confirmed with polarizing microscope and X-ray diffraction. We will report this novel method for transferring a free-standing film and discuss some applications of this film.