3A13 強誘電性液晶の電気粘性効果の弾性波による評価

抄録

An electrorheology (ER) effect of a ferroelectric liquid crystal (FLC) is evaluated in the relation with shear horizontal (SH) wave propagation in a liquid crystal layer between a piezoelectric ceramic plate and a glass plate. Measured phase delay in the SH wave device is related to the effective viscosity of FLC. The effective viscosity coefficient obtained in the present system contains the contribution from the director rotation induced by field application.