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Title: Sensitivity of 6CHBT Liquid Crystal Doped with Ferroelectric or Magnetic Particles to Electric and Magnetic Fields
Other Titles: Чутливість 6СНВТ рідкого кристалу з домішкою сегнетоелектричних та магнітних частинок до електричного та магнітного полів
Authors: Majorosová, J.
Tomasovicová, N.
Timko, M.
Koneracká, M.
Studenyak, I. P.
Kovalchuk, O. V.
Kovalchuk, S. O.
Jadzyn, J.
Kopcanský, P.
Keywords: ferroelectric nanoparticles
magnetic nanoparticles
nematic liquid crystal
capacitance measurements
Issue Date: Jan-2014
Citation: Kovalchuk O. V. Sensitivity of 6CHBT Liquid Crystal Doped with Ferroelectric or Magnetic Particles to Electric and Magnetic Fields/ J. Majorosová, N. Tomasovicová, M. Timko, M. Koneracká, I. P. Studenyak, O. V. Kovalchuk, S. O. Kovalchuk, J. Jadzyn, P. Kopcanský // ACTA PHYSICA POLONICA A. - 2014.- Т. 126, №1. - рр. 260-261.
Abstract: Introduction of ferroelectric or magnetic nanoparticles into nematic liquid crystal is a promising method for the improvement of the electro-optic or magneto-optic properties of di erent nematic liquid crystals by non-chemical way. This work is devoted to the study of composite systems of liquid crystal with spherical ferroelectric or magnetic particles with the aim to study their sensitivity to electric and magnetic elds. The nematic 4-(trans-4'- n-hexylcyclohexyl)-isothiocyanatobenzene (6CHBT) liquid crystal was doped with SbSI ferroelectric particles or with Fe3O4 magnetic particles. The structural transitions in ferronematic samples were indicated by capacitance measurements in a capacitor made of ITO-coated glass electrodes in combined electric and magnetic elds. The obtained results showed the increase of the shift in critical voltage with increasing magnetic eld in both kinds of samples.
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