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Shear flow of a nematic liquid crystal near a charged surface

  • Polymers and Liquid Crystals
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Abstract

The maximum alignment angle θeff and the effective rotational viscosity coefficient γ effi of polar liquid crystals, such as 4-n-octyloxy-4′-cyanobiphenyl (8OCB), are investigated in the vicinity of charged bounding surfaces. The quantities θeff and γ eff1 are calculated in the framework of the Ericksen-Leslie theory. The results of calculations demonstrate that, for a homeotropic alignment of molecules on charged indium tin oxide surfaces, the effective rotational viscosity coefficient γ effi can increase by 7.8% as compared to the bulk rotational viscosity coefficient γ1.

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Authors and Affiliations

  1. Institute for Problems of Mechanical Engineering, Russian Academy of Sciences, Bol’shoi pr. 61, Vasil’evskii ostrov, St. Petersburg, 199178, Russia

    A. V. Zakharov & A. A. Vakulenko

Authors
  1. A. V. Zakharov
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  2. A. A. Vakulenko
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__________

Translated from Fizika Tverdogo Tela, Vol. 45, No. 6, 2003, pp. 1135–1140.

Original Russian Text Copyright © 2003 by Zakharov, Vakulenko.

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Zakharov, A.V., Vakulenko, A.A. Shear flow of a nematic liquid crystal near a charged surface. Phys. Solid State 45, 1191–1196 (2003). https://doi.org/10.1134/1.1583813

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  • DOI: https://doi.org/10.1134/1.1583813

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