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Stability of a free-standing liquid-crystal film: The measurement of the interaction between the film surfaces

  • Statistical, Nonlinear, and Soft Matter Physics
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Abstract

The interaction energy of the surfaces of a free-standing liquid-crystal film has been determined. The measurements are performed in a smectic phase below the melting temperature of a bulk sample T C, in the temperature range of structural instability of thin films at T > T C, and in a quasi-smectic phase at T > T C. Two modes of smectic-layer motion in the film are detected: they lead to film thinning at T > T C and film thickening at a low temperature. The measurement results are discussed in terms of recent theoretical concepts.

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Authors and Affiliations

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

    P. V. Dolganov & V. K. Dolganov

  2. Centre de Recherche Paul Pascal, CNRS, Pessac, 33600, France

    H. T. Nguyen & P. Cluzeau

  3. Laboratoire de Dynamique et des Matériaux Moléculaires, UMR CNRS 8024, Université de Lille 1, Villeneuve d’Ascq, 59655, France

    G. Joly

  4. Laue-Langevin Institute, Grenoble, F-38042, France

    E. I. Kats

  5. Landau Institute for Theoretical Physics, Russian Academy of Sciences, ul. Kosygina 2, Moscow, 117940, Russia

    E. I. Kats

Authors
  1. P. V. Dolganov
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  2. H. T. Nguyen
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  3. G. Joly
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  4. E. I. Kats
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  5. V. K. Dolganov
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  6. P. Cluzeau
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Correspondence to E. I. Kats.

Additional information

Original Russian Text © P.V. Dolganov, H.T. Nguyen, G. Joly, E.I. Kats, V.K. Dolganov, P. Cluzeau, 2007, published in Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2007, Vol. 132, No. 3, pp. 756–764.

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Dolganov, P.V., Nguyen, H.T., Joly, G. et al. Stability of a free-standing liquid-crystal film: The measurement of the interaction between the film surfaces. J. Exp. Theor. Phys. 105, 665–672 (2007). https://doi.org/10.1134/S1063776107090257

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  • DOI: https://doi.org/10.1134/S1063776107090257

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