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Fréedericksz deformation in nematic liquid crystals with frequency dependent dielectric constant

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Abstract

The rise and decay times of a Fréedericksz deformation in a planar nematic layer have been investigated. The liquid crystal used was an ester mixture with regimes of positive as well as negative dielectric anisotropy. This property allows to control both the rise and the decay times of the deformation by switching the frequency of the electric field. The kinetics was monitored with a fluorescent dye-probe.

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Authors and Affiliations

  1. Institut für angew. Festkörperphysik, Ecker-Str. 4, D-7800, Freiburg, Fed. Rep. Germany

    G. Baur, A. Stieb & G. Meier

Authors
  1. G. Baur
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  2. A. Stieb
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  3. G. Meier
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Additional information

Work supported by the “Bundesministerium für Forschung und Technologie” under contract No. NT 550.

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Baur, G., Stieb, A. & Meier, G. Fréedericksz deformation in nematic liquid crystals with frequency dependent dielectric constant. Appl. Phys. 6, 309–313 (1975). https://doi.org/10.1007/BF00883647

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  • DOI: https://doi.org/10.1007/BF00883647

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