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On the annealing of radiation-induced point defects in tungsten

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Abstract

The interaction between deuterium and radiation-induced point defects in tungsten and the stages of their transformation and annealing are investigated by means of thermal-desorption spectroscopy. Primary defects, mainly vacancies, are created using 10-keV D+ ions at room temperature. In investigating the evolution of radiation-induced defects, irradiated samples are annealed at temperatures of 550–1400 K and the subsequent filling of defects is carried out by deuterium after sample irradiation with D +3 ions with an energy of 0.67 keV/deuteron at room temperature. The characteristic positions of thermal desorption peaks, as well as the temperatures of vacancy clusterization and annealing of defects, are determined.

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Authors and Affiliations

  1. National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow, 115409, Russia

    S. A. Ryabtsev, Yu. M. Gasparyan, M. S. Zibrov & A. A. Pisarev

Authors
  1. S. A. Ryabtsev
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  2. Yu. M. Gasparyan
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  3. M. S. Zibrov
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  4. A. A. Pisarev
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Corresponding author

Correspondence to S. A. Ryabtsev.

Additional information

Original Russian Text © S.A. Ryabtsev, Yu.M. Gasparyan, M.S. Zibrov, A.A. Pisarev, 2016, published in Poverkhnost’. Rentgenovskie, Sinkhrotronnye i Neitronnye Issledovaniya, 2016, No. 6, pp. 93–97.

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Ryabtsev, S.A., Gasparyan, Y.M., Zibrov, M.S. et al. On the annealing of radiation-induced point defects in tungsten. J. Surf. Investig. 10, 658–662 (2016). https://doi.org/10.1134/S1027451016030332

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  • DOI: https://doi.org/10.1134/S1027451016030332

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