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. 2012 Apr;85(4 Pt 1):041703.
doi: 10.1103/PhysRevE.85.041703. Epub 2012 Apr 19.

Regular structures in 5CB liquid crystals under the joint action of ac and dc voltages

Luis E Aguirre  1 , Esteban Anoardo, Nándor Eber, Agnes Buka
Affiliations

Regular structures in 5CB liquid crystals under the joint action of ac and dc voltages

Luis E Aguirre et al. Phys Rev E Stat Nonlin Soft Matter Phys. 2012 Apr.

Abstract

A nematic liquid crystal with high, positive dielectric anisotropy (5CB) has been studied under the influence of the combined action of a dc and an ac electric field. Broad frequency, voltage, and cell thickness ranges were considered. Pattern morphologies were identified; the thresholds and critical wave numbers were measured and analyzed as a function of frequency, dc-to-ac voltage ratio, and thickness. The current-voltage characteristics were simultaneously detected.

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