Orientational Transition in Nematic Layer with Homeotropic-Conical Boundary Conditions Induced by Ionic Modification of Surface Anchoring

Liquid Crystals and their Application
Russian Journal

Zhidkie kristally i ikh prakticheskoe ispol'zovanie

Жидкие кристаллы и их практическое использование

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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2022, 22 (3), 105—110.
DOI: 10.18083/LCAppl.2022.3.105

Orientational Transition in Nematic Layer with Homeotropic-Conical Boundary Conditions Induced by Ionic Modification of Surface Anchoring

Vitaly S. Sutormin^1,2*, Mikhail N. Krakhalev^1,2, Oxana O. Prishchepa¹, Victor Ya. Zyryanov¹

Author affiliations
¹Kirensky Institute of Physics, Federal Research Center KSC SB RAS,
Krasnoyarsk, Russia
²Institute of Engineering Physics and Radio Electronics, Siberian Federal University,
Krasnoyarsk, Russia
*Corresponding author: sutormin@iph.krasn.ru

Abstract
The transformation of the orientational structure induced by the electrically controlled ionic modification of surface anchoring in the nematic layer with homeotropic-conical boundary conditions has been considered. It has been found that the change in the azimuthal angle of director at the substrate with conical anchoring can be realized by modification of boundary conditions at the second substrate.

Keywords: nematic, ionic surfactant, surface anchoring, conical boundary conditions, director configuration, optical texture

For citation: Sutormin V. S., Krakhalev M. N., Prishchepa O. O., Zyryanov V. Ya. Orientational transition in nematic layer with homeotropic-conical boundary conditions induced by ionic modification of surface anchoring. Liq. Cryst. and their Appl., 2022, 22 (3), 105–110 (in Russ.).

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