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Threshold spatially periodic structure of the director in a nematic flexoelectric cell with finite anchoring energy

  • Liquid Crystals
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Abstract

The influence of the finiteness of the anchoring energy of a director and the value of flexoelectric polarization on the threshold of a spatially periodic reorientation of the director and the period of the arising structure is considered for a planar nematic cell. The threshold and the period are calculated numerically and the corresponding analytical expressions are obtained for the case of a strong anchoring of the director. It is shown that for a finite azimuthal anchoring energy the range of admissible values of the flexoelectric parameter ν widens, while for a finite polar anchoring energy this range narrows as compared to the case of an absolutely rigid orientation of the director at the cell surface.

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Authors and Affiliations

  1. Shevchenko National University, Kiev, 03022, Ukraine

    M. F. Lednei & I. P. Pinkevich

Authors
  1. M. F. Lednei
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  2. I. P. Pinkevich
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__________

Translated from Kristallografiya, Vol. 50, No. 3, 2005, pp. 517–523.

Original Russian Text Copyright © 2005 by Lednei, Pinkevich.

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Lednei, M.F., Pinkevich, I.P. Threshold spatially periodic structure of the director in a nematic flexoelectric cell with finite anchoring energy. Crystallogr. Rep. 50, 471–477 (2005). https://doi.org/10.1134/1.1927612

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  • DOI: https://doi.org/10.1134/1.1927612

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