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  • Title: Regular structures in 5CB liquid crystals under the joint action of ac and dc voltages.
    Author: Aguirre LE, Anoardo E, Eber N, Buka A.
    Journal: Phys Rev E Stat Nonlin Soft Matter Phys; 2012 Apr; 85(4 Pt 1):041703. PubMed ID: 22680488.
    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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