Abstract
Influence of barium titanate particles on electro-optic properties of the nematic liquid crystalline (LC) mixture H-37 consisting of 4-methoxybezylidene-4′-butylaniline and 4-ethoxybezylidene-4′-butylaniline was investigated.It was shown that the presence of barium titanate particles in H-37 decreases the clearing point, increases the threshold of the Freedericksz effect, and decreases the voltage of the electrohydrodynamic instability formation. A rise time increases and a decay time decreases in comparison with the pure H-37 at Williams’ domains formation. First of all, experimental results were explained by appearance of local electric fields near the polarized ferroelectric particles at application of external electric field and also a change of effective viscosity and elastic properties of LC, existence of the additional obstacles (particles) at movement of ions.
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