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Theory of bivacancy contribution to the coefficient of self-diffusion in monatomic molecular crystals

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Abstract

On the basis of the statistical theory of a crystal with defects, we calculate the frequency of jumps of an atom for diffusion in the bivacancy mechanism. We obtain an expression for the contributions of different types of bivacancies to the coefficient of self-diffusion. Calculations are carried out for the special case of a Lennard-Jones 6–12 potential.

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Authors and Affiliations

  1. A. V. Lykov Institute of Heat and Mass Transfer, Academy of Sciences of the Belorussian SSR, Minsk

    É. T. Bruk-Levinson & O. D. Chernetsov

Authors
  1. É. T. Bruk-Levinson
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  2. O. D. Chernetsov
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 51, No. 4, pp. 621–628, October, 1986.

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Bruk-Levinson, É.T., Chernetsov, O.D. Theory of bivacancy contribution to the coefficient of self-diffusion in monatomic molecular crystals. Journal of Engineering Physics 51, 1211–1217 (1986). https://doi.org/10.1007/BF00870849

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  • DOI: https://doi.org/10.1007/BF00870849

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