By means of computer simulation it is shown that bistability effect in Ferroelectric smectic C* Liquid Crystal (FLC) is achieved in electric field exceeding certain threshold value, dependent on energy of FLC anchoring with solid surface. If equilibrium angles of polar and dispersion parts of anchoring energy are not equal, bistability takes place between two twisted FLC states. A simple method of evaluating FLC anchoring energy by defining the free relaxation times of FLC director in switching from one bistable state to another is proposed.
Ferroelectrics
Volume 141, 1993 - Issue 1
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Comparative study of dielectric and electro-optical properties of pure and polymer ferroelectric liquid crystal composites
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