Hyperfine Interactions

, Volume 12, Issue 1, pp 233–260 | Cite as

Quadrupole interactions at different probe ions implanted in nickel single crystals as observed by β-γ TDPAC

  • F. Namavar
  • M. Rots
  • J. Claes
  • R. Coussement


We discuss specific features of those angular correlation experiments sensitive to the nuclear polarization in the intermediate state and investigate, in view of radiation damage studies, the interest of using allowed as well as first-forbidden β-decay as the primary radiation in a TDPAC cascade. The description of the technique is illustrated by experiments on the samples\(^{129} \mathop {Te}\limits^ \to \underline {Ni} , ^{132} \mathop {Te}\limits^ \to \underline {Ni} , ^{111} \mathop {Ag}\limits^ \to \underline {Ni}\) and\(^{133} \mathop {Xe}\limits^ \to \underline {Ni}\) produced by ion implantation into nickel single crystals. These results clearly demonstrate the unique possibility to make the experiments selectively sensitive to those impurity atoms associated with lattice defects. Although the formulation is in all aspects general especially the cross terms (k1≠k2) in the angular correlation treatment are emphasized. In this way the presence of a combined hyperfine interaction, cumbersome for radiation damage studies, has been explored to gain sensitivity in impurity site characterization.


Nickel Intermediate State Lattice Defect Hyperfine Interaction Impurity Atom 
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Copyright information

© J.C. Baltzer Scientific Publishing Company 1982

Authors and Affiliations

  • F. Namavar
    • 1
  • M. Rots
    • 1
  • J. Claes
    • 1
  • R. Coussement
    • 1
  1. 1.Instituut Kern- en StralingsfysikaKatholieke Universiteit LeuvenLeuvenBelgium

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