Object Kinetic Monte Carlo calculations of electron and He irradiation of nickel

  • Gamez B
  • Gamez L
  • Ortiz C
 et al. 
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Abstract

We present results of an Object Kinetic Monte Carlo model (OKMC) of nucleation of He-vacancy complexes under irradiation of nickel. This OKMC model has been constructed using the existing atomistic information on migration energies and binding energies of vacancies, self-interstitials and He-vacancy interactions, as well as He migration from embedded atom interatomic potentials. We use this model to first study the different annealing stages of electron irradiated Ni and the influence of impurities in the recovery of damage during isochronal annealing. Then, He desorption from implanted Ni is studied for different doses and compared to existing experimental measurements. (c) 2009 Elsevier B.V. All rights reserved.

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Authors

  • B Gamez

  • L Gamez

  • C J Ortiz

  • M J Caturla

  • J M Perlado

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