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Int. J. Mol. Sci. 2014, 15(10), 17838-17851; doi:10.3390/ijms151017838

Electric and Magnetic Field-Assisted Orientational Transitions in the Ensembles of Domains in a Nematic Liquid Crystal on the Polymer Surface

1
L. V. Kirensky Institute of Physics, Krasnoyarsk Scientific Centre, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk 660036, Russia
2
Department of Energy, Siberian Federal University, Krasnoyarsk 660041, Russia
*
Author to whom correspondence should be addressed.
Received: 10 July 2014 / Revised: 6 September 2014 / Accepted: 23 September 2014 / Published: 2 October 2014
(This article belongs to the Section Biomaterial Sciences)
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Abstract

Using electro- and magneto-optical techniques, we investigated orientational transitions in the ensembles of domains in a nematic liquid crystal on the polycarbonate film surface under the conditions of competing surface forces that favor radial and uniform planar alignment of nematic molecules. Having analyzed field dependences of the intensity of light passed through a sample, we established the threshold character of the orientational effects, plotted the calculated intensity versus magnetic coherence length, and compared the latter with the equilibrium length that characterizes the balance of forces on the polymer surface. View Full-Text
Keywords: liquid crystal; polycarbonate; domain structure; electric field; magnetic field liquid crystal; polycarbonate; domain structure; electric field; magnetic field
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Parshin, A.M.; Gunyakov, V.A.; Zyryanov, V.Y.; Shabanov, V.F. Electric and Magnetic Field-Assisted Orientational Transitions in the Ensembles of Domains in a Nematic Liquid Crystal on the Polymer Surface. Int. J. Mol. Sci. 2014, 15, 17838-17851.

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