Applied Physics A

, Volume 41, Issue 2, pp 127–135 | Cite as

Ion beam induced atomic mixing in Fe/Al bilayered samples

  • R. J. Gaboriaud
  • C. Jaouen
  • J. J. Grob
  • A. Grob
Solid and Material

Abstract

Atomic mixing of Fe/Al bilayered samples induced by an energetic xenon beam has been studied by RBS-TEM and sheet resistivity measurements. Mixing is detected at 2.5 × 1015 Xe/cm2 and then proceeds up to 2 × 1016 Xe/cm2. A blocking effect of the mixing for larger doses is observed. Homogeneous concentration is not obtained across the sample. Instead a pronounced graded composition is reached. Several explanations of the mixing process and the subsequent blocking effect are suggested: — sharp gradients in the nuclear energy deposition profile which decrease with dose — grain growth phenomena — precipitation of crystalline xenon acting as efficient annihilation sinks for vacancies.

PACS

61.80 72.15 73.60 

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Copyright information

© Springer-Verlag 1986

Authors and Affiliations

  • R. J. Gaboriaud
    • 1
  • C. Jaouen
    • 1
  • J. J. Grob
    • 2
  • A. Grob
    • 2
  1. 1.Faculté des SciencesLaboratoire de Métallurgie Physique L.A. 131 du C.N.R.S.PoitiersFrance
  2. 2.Groupe PHASECentre de Recherches NucléairesStrasbourgFrance

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