The Location of Displaced Manganese and Silver Atoms in Irradiated Aluminum Crystals by Backscattering

  • M. L. Swanson
  • F. Maury
  • A. F. Quenneville


By measuring the energy spectra of backscattered 1 MeV He+ ions from Al-0.09 at.% Mn and Al-0.08 at.% Ag crystals, it was found that substitutional Mn and Ag atoms were displaced from lattice sites by irradiation with 0.3–1.0 MeV He+ ions at 35°-70°K. From detailed channeling and annealing results, it was demonstrated that the Mn and Ag atoms were displaced by trapping irradiation-induced interstitial Al atoms, forming Al-Mn and Al-Ag atom pairs in the <100> dumbbell configuration.


Impurity Atom Minimum Yield Free Interstitial Displace Atom Good Single Crystal 
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Copyright information

© Plenum Press, New York 1974

Authors and Affiliations

  • M. L. Swanson
    • 1
  • F. Maury
    • 1
  • A. F. Quenneville
    • 1
  1. 1.Atomic Energy of Canada LimitedChalk River Nuclear LaboratoriesChalk RiverCanada

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