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Anharmonicity of lattice vibrations and the fluctuation volume of amorphous substances near the glass transition temperature

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Abstract

The fraction of the fluctuation volume (in a model of the excited state) at the glass transition temperature depends linearly on the Gruneisen parameter, i.e., the degree of the anharmonicity of lattice vibrations in amorphous polymers and glasses.

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Authors and Affiliations

  1. Siberian Branch, Russian Academy of Sciences, Buryat State University, Ulan-Ude, 670000, Russia

    S. Sh. Sangadiev & D. S. Sanditov

  2. Institute of Material Physics, Ulan-Ude, 670047, Russia

    D. S. Sanditov

Authors
  1. S. Sh. Sangadiev
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  2. D. S. Sanditov
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Correspondence to D. S. Sanditov.

Additional information

Original Russian Text © S.Sh. Sangadiev, D.S. Sanditov, 2012, published in Zhurnal Fizicheskoi Khimii, 2012, Vol. 86, No. 7, pp. 1291–1293.

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Sangadiev, S.S., Sanditov, D.S. Anharmonicity of lattice vibrations and the fluctuation volume of amorphous substances near the glass transition temperature. Russ. J. Phys. Chem. 86, 1171–1173 (2012). https://doi.org/10.1134/S0036024412070242

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  • DOI: https://doi.org/10.1134/S0036024412070242

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