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Liquid Crystals and their Application
Russian Journal

Zhidkie kristally i ikh prakticheskoe ispol'zovanie

Жидкие кристаллы и их практическое использование

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Rus Eng


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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2018, 18 (4), 95—99.
DOI: 10.18083/LCAppl.2018.4.95

Octylcyanobiphenyl Liquid Crystal Confined to Anisotropic Porous PET Films at Homeotropic Anchoring: Optical Textures and Internal Ordering

A. Sh. Saidgaziev, A. V. Dubtsov

Author affiliations
MIREA – Russian Technological University, Problem Laboratory of Molecular Acoustics,
78 Vernadskogo Pr., Moscow, 119454, Russia

We report the study of optical textures and internal ordering of homeotropically aligned octylcyanobiphenyl (8CB) liquid crystal, which is characterized by both nematic and smectic phases, confined to porous polyethylene terephthalate films. Taking into account previously reported results, experimental and theoretical data allowed identifying the internal ordering of 8CB within the pores. Despite of completely different spatial ordering, experimental observations revealed similar optical patterns for both liquid-crystalline phases. The presented results can be used in photonic LC applications.

Keywords: liquid crystals, octylcyanobiphenyl, porous film, optical texture, director configuration

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