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Smectic islands in antiferroelectric nanofilms

  • Statistical, Nonlinear, and Soft Matter Physics
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Abstract

Heterochiral islands, in which topological dipoles are oppositely directed, are observed in freestanding antiferroelectric (SmC A *) films. The topological dipoles in films with a transverse electric polarization and a planar molecule orientation at island boundaries are coplanar with an electric field. The topological dipoles in films with a longitudinal polarization and a planar orientation at island boundaries are perpendicular to an electric field. For a radial director orientation at island boundaries, the topological dipoles in films with a longitudinal polarization are coplanar with a field. Changing the orientation of an electric field, we can control the position of a topological defect at an island boundary and the orientation of a topological dipole. Heterochiral islands can form dimers with an anomalously small interisland distance.

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Authors and Affiliations

  1. Institute of Solid State Physics, Russian Academy of Sciences, Moscow oblast, Chernogolovka, 142432, Russia

    P. V. Dolganov, N. S. Shuravin & V. K. Dolganov

  2. Department of Electronic and Electrical Engineering, University of Dublin, Dublin 2, Ireland

    A. Fukuda

Authors
  1. P. V. Dolganov
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  2. N. S. Shuravin
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  3. V. K. Dolganov
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  4. A. Fukuda
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Corresponding author

Correspondence to P. V. Dolganov.

Additional information

Original Russian Text © P.V. Dolganov, N.S. Shuravin, V.K. Dolganov, A. Fukuda, 2017, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2017, Vol. 152, No. 4, pp. 834–839.

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Dolganov, P.V., Shuravin, N.S., Dolganov, V.K. et al. Smectic islands in antiferroelectric nanofilms. J. Exp. Theor. Phys. 125, 709–713 (2017). https://doi.org/10.1134/S1063776117090023

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  • DOI: https://doi.org/10.1134/S1063776117090023

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