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Liquid Crystals and their Application
Russian Journal Zhidkie kristally i ikh prakticheskoe ispol'zovanie Жидкие кристаллы и их практическое использование |
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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2012, 1, 52—58. |
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Relaxation of Director at Liquid Crystals Azimuthal Instability
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O.A. Denisova1, A.N. Chuvyrov2
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Author affiliations
1Ufa State Academy of Economics and Service,
145, Chernyshevskogo Str., 450078, Ufa, Bashkortostan
2Bashkir State University,
32, Validy Str., 450074, Ufa, Russia
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Abstract
The relaxation processes in thin layers of homeotropically oriented nematic liquid crystals under the action of a periodic low-frequency shift (frequency of exposure of ∼ 100 Hz) is experimentally investigated. It is found that the relaxation processes are described by an exponential time dependence and take dozens of seconds.
Keywords: nematic liquid crystal, relaxation of director
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