Impedance of the SnO₂|Liquid Crystal ZhK-440|SnO₂ System

N. I. Sorokin^z

Shubnikov Institute of Crystallography, Russian Academy of Sciences, Moscow, Russia

Received December 29, 2014

Abstract—The SnO₂|ZhK-440|SnO₂ system, where the ZhK-440 is a liquid crystal mixture consisting of
2/3parts of p-butyl-p'-methyloxyazoxybenzene and 1/3 part of p-butyl-p'-heptanoyloxyazoxybenzene, was
studied by impedance spectroscopy. The impedance spectrum of the system contained the contributions from
electric conductivity and bulk and electrode polarizations. The models of bulk and electrode impedance were
discussed.

Keywords: impedance, liquid crystal, electric conductivity, low-frequency dielectric dispersion

DOI: 10.1134/S1023193515120113

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