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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., 2019, 19 (3), 51—58.
DOI: 10.18083/LCAppl.2019.3.51 |
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Formation of Polymer-Dispersed Nematic Liquid Crystals Doped by Nitrogen-Containing Carbon Nanotubes in Magnetic Field
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G. M. Zharkova1, V. P. Fomichev1, O. Yu. Podyacheva2
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Author affiliations
1Khristianovich Institute of Theoretical and Applied Mechanics,
4/1 Institutskaya St., Novosibirsk, 630090, Russia
E-mail: zharkova@itam.ns.ru
2Boreskov Institute of Catalysis,
5 Acad. Lavrentiev Ave., Novosibirsk, 630090, Russia
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Abstract
The paper presents results on the influence of weak magnetic fields at the formation of polymer-dispersed nematic liquid crystals doped with nitrogen-containing carbon nanotubes. The effect of the concentration of nitrogen-containing nanotubes and the magnetic field strength on electro-optical characteristics of films is described. It is shown that the presence of iron impurities (up to 4 wt. %) in nitrogen-containing carbon nanotubes during film formation in a weak magnetic field (up to 0.13 T) increases light transmission of film by 2 times (till 77 %), while the optical response time decreases also by 2 times (till 5,1 ms).
Keywords: polymer-dispersed liquid crystals, carbon nanotubes, magnetic field
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