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Photoinduced Orientational Structure Transformation in Cholesteric Microdroplets

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Abstract

In this study, the photoinduced orientational transitions at the variation of boundary conditions in the droplets of cholesteric (chiral nematic) liquid crystal are obtained and investigated. The effect is caused by photoisomerization of the azobenzene dendrimer additive dissolved in the liquid crystal and adsorbed on its interface. A sequence of orientational transitions under low-intensity (~1 mW/cm2) ultraviolet irradiation is revealed.

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Acknowledgments

The study was supported by the Russian Science Foundation, project no. 18-72-00242.

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Authors and Affiliations

  1. M. V. Lomonosov Moscow State University, Leninskie Gory, Moscow, 119991, Russia

    S. A. Shvetsov, A. A. Gruzdenko, A. V. Emelyanenko & N. I. Boiko

  2. Lebedev Physical Institute, Russian Academy of Sciences, 53 Leninskii Pr., Moscow, 119991, Russia

    S. A. Shvetsov & A. A. Gruzdenko

Authors
  1. S. A. Shvetsov
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  2. A. A. Gruzdenko
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  3. A. V. Emelyanenko
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  4. N. I. Boiko
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Corresponding author

Correspondence to S. A. Shvetsov.

Additional information

Russian Text © The Author(s), 2019, published in Kratkie Soobshcheniya po Fizike, 2019, Vol. 46, No. 6, pp. 24–31.

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Shvetsov, S.A., Gruzdenko, A.A., Emelyanenko, A.V. et al. Photoinduced Orientational Structure Transformation in Cholesteric Microdroplets. Bull. Lebedev Phys. Inst. 46, 201–205 (2019). https://doi.org/10.3103/S1068335619060046

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  • DOI: https://doi.org/10.3103/S1068335619060046

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