Abstract

Abstract The independent measurements of the depth of the electro-optical modulation, pyro-electric coefficient and pitch of the helix were carried out for mixtures of ferroelectric liquid crystals DOMBAMBC and HOBACPC with different signs of chirality. The flexo- and piezo-contributions to the total value of the spontaneous polarization were calculated from experimental data. It was shown that the piezo-electric polarization dominates in the “classical” ferroelectric liquid crystals.

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