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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2012, 4, 47—52.
Memory Effect in Cholesteric Droplets Doped with Ionic Surfactant
A. P. Gardymova1, A. V. Burmitskikh1, V. Ya. Zyryanov2
Author affiliations 1Siberian Federal University. Institute of Engineering Physics
660041, Krasnoyarsk, Svobodny Prospect, 79. Russia. E-mail: firstname.lastname@example.org
2Kirensky Institute of Physics SB RAS
660036, Krasnoyarsk, Akademgorodok, 50. Russia. E-mail: email@example.com
Abstract A memory effect in liquid crystalline composite material is considered. The studied material represents a polymer film with cholesteric liquid crystal droplets dispersed in it. The cholesteric material was doped with an ionic surfactant. Optical memory effect is caused by a switching of cholesteric droplets between various stable orientation states. A stability of the states is provided due to a change of the boundary conditions by the surfactant ions under the action of electric field.