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Simulation of dynamic changes in the surface composition of tungsten under ion irradiation with regard to carbon impurity deposition

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Abstract

Argon ion cleaning of a tungsten surface covered by a carbon film was simulated taking into account the redeposition of graphite. An increase in the argon ion energy from 200 to 1000 eV greatly enhances cleaning. The cleaning rate is lowered when the carbon flux to the surface increases.

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Authors and Affiliations

  1. Moscow Engineering Physics Institute, Kashirskoe Shosse 31, Moscow, 115409, Russia

    N. N. Trifonov, D. K. Kogut & V. A. Kurnaev

Authors
  1. N. N. Trifonov
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  2. D. K. Kogut
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  3. V. A. Kurnaev
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Additional information

Original Russian Text © N.N. Trifonov, D.K. Kogut, V.A. Kurnaev, 2008, published in Poverkhnost’. Rentgenovskie, Sinkhrotronnye i Neitronnye Issledovaniya, No. 3, pp. 7–10.

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Trifonov, N.N., Kogut, D.K. & Kurnaev, V.A. Simulation of dynamic changes in the surface composition of tungsten under ion irradiation with regard to carbon impurity deposition. J. Surf. Investig. 2, 175–177 (2008). https://doi.org/10.1134/S102745100802002X

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  • DOI: https://doi.org/10.1134/S102745100802002X

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