Investigation of the frustration between ferroelectricity and antiferroelectricity in smectics
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A molecular-statistical theory that describes the smectic phases with frustration between the ferroelectric and antiferroelectric ones has been developed. The molecular model is used to estimate the mean-field parameters responsible for the formation of complex smectic phases with long periods. A general phase diagram is constructed and the helix pitch is estimated in all phases. The results obtained are compared with the experimental ones.
KeywordsDipole Moment Tilt Angle Spontaneous Polarization Smectic Phase Smectic Layer
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