Orientational transition in nematic liquid crystal with hybrid alignment under oscillatory shear

M. V. Khazimullin, T. Börzsönyi, A. P. Krekhov, Yu A. Lebedev

Research output: Contribution to journalArticle

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Abstract

The optical response of the nematic liquid crystal confined between plates with strong homeotropic and weak planar anchoring (hybrid geometry) under the oscillatory shear has been investigated. Critical shear amplitude above that the director deviates from the planar orientation at the substrate with weak anchoring was found and the dependence of the tilt angle on the displacement amplitude was obtained. The anchoring strength and surface viscosity for the SiO-evaporated substrate was estimated.

Original languageEnglish
Pages (from-to)859-866
Number of pages8
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume329
Publication statusPublished - 1999

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Nematic liquid crystals
liquid crystals
alignment
shear
Substrates
Viscosity
viscosity
Geometry
geometry

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

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abstract = "The optical response of the nematic liquid crystal confined between plates with strong homeotropic and weak planar anchoring (hybrid geometry) under the oscillatory shear has been investigated. Critical shear amplitude above that the director deviates from the planar orientation at the substrate with weak anchoring was found and the dependence of the tilt angle on the displacement amplitude was obtained. The anchoring strength and surface viscosity for the SiO-evaporated substrate was estimated.",
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AU - Khazimullin, M. V.

AU - Börzsönyi, T.

AU - Krekhov, A. P.

AU - Lebedev, Yu A.

PY - 1999

Y1 - 1999

N2 - The optical response of the nematic liquid crystal confined between plates with strong homeotropic and weak planar anchoring (hybrid geometry) under the oscillatory shear has been investigated. Critical shear amplitude above that the director deviates from the planar orientation at the substrate with weak anchoring was found and the dependence of the tilt angle on the displacement amplitude was obtained. The anchoring strength and surface viscosity for the SiO-evaporated substrate was estimated.

AB - The optical response of the nematic liquid crystal confined between plates with strong homeotropic and weak planar anchoring (hybrid geometry) under the oscillatory shear has been investigated. Critical shear amplitude above that the director deviates from the planar orientation at the substrate with weak anchoring was found and the dependence of the tilt angle on the displacement amplitude was obtained. The anchoring strength and surface viscosity for the SiO-evaporated substrate was estimated.

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