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Molecular Crystals and Liquid Crystals Volume 718, 2021 - Issue 1: XII International Conference "Electronic Processes in Organic and Inorganic Materials” (ICEPOM-12).
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Research Article

Electrical conductivity of composites based on 6CB liquid crystal and (Cu6PS5I)0.5(Cu7PS6)0.5 superionic nanoparticles

I. P. Studenyaka Department of Applied Physics, Uzhhorod National University, Uzhhorod, UkraineCorrespondence[email protected]
,
O. V. Kovalchukb Institute of Physics, National Academy of Sciences of Ukraine, Kyiv, Ukraine;c Department of Applied Physics & Advanced Mathematics, National University of Technologies and Design, Kyiv, Ukraine;d Department of General & Solid-State Physics, National Technical University of Ukraine “Igor Sikorsky Polytechnic University”, Kyiv, Ukraine
,
S. I. Poberezhetsb Institute of Physics, National Academy of Sciences of Ukraine, Kyiv, Ukraine
,
M. M. Luchynetsa Department of Applied Physics, Uzhhorod National University, Uzhhorod, Ukraine
,
A. I. Pogodina Department of Applied Physics, Uzhhorod National University, Uzhhorod, Ukraine
,
M. Timkoe Institute of Experimental Physics, Slovak Academy of Sciences, Košice, Slovakia
&
P. Kopčanskýe Institute of Experimental Physics, Slovak Academy of Sciences, Košice, Slovakia
 show all
Pages 92-101 | Published online: 27 Jul 2021
 
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Abstract

In the frequency range of 6–106 Hz at a temperature of 293 K, the influence of (Cu6PS5I)0.5(Cu7PS6)0.5 superionic nanoparticles on electrical conductivity and dielectric properties of 6CB liquid crystal are investigated. Parameters of near-electrode and bulk processes are evaluated as well as their changes at introducing nanoparticles into the LC are investigated. It is shown that the effect of nanoparticles of solid solution (Cu6PS5I)0.5(Cu7PS6)0.5 is smaller than the effect of Cu6PS5I nanoparticles. It is suggested that the surface properties of solid solution nanoparticles are mainly determined by Cu7PS6 component of a solid solution. Significantly less interaction of nanoparticles of solid solution (Cu6PS5I)0.5(Cu7PS6)0.5 with molecules of 6CB LC than the interaction of Cu7PS6 nanoparticles with molecules of liquid crystal is established.

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