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Condensed matter physics
A method is presented for measuring ferroelectric liquid crystal parameters such as spontaneous polarization Ps, rotational viscosity γϕ, azimuthal pretilt angle ϕ0 and dielectric permittivity ε ┴. The method is based on integrating the polarization current after reversing the sign of the external electric field.
Panarin, Y. & Vaksman, V. (1992) Measurement of Ferroelectric Liquid Crystal Parameters,Mol. Mats., 1992, Vol. 1, pp. 147-154.