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Regular structures in 5CB under the joint action of AC and DC voltages.
Luis Ever Aguirre
,Esteban Anoardo
,Nándor Éber
2,Ágnes Buka
2
LaRTE - FaMAF - Universidad Nacional de Córdoba and IFEG
LaRTE - FaMAF - Universidad Nacional de Córdoba and IFEG
2Institute for Solid State Physics and Optics, Wigner Research Center for Physics, Hungarian Academy of Sciences
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/AC voltage ratio and thickness. The current-
voltage characteristics were simultaneously detected.
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