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2001 | 99 | 3-4 | 329-336
Article title

Studying of Nickel Alloys with 1 at.% of Ge, Zn, In, Zr and Pb by Positron Annihilation Methods

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The measurements of cold rolled nickel alloys with 1 at.% of Ge, Zn, In, Zr, Pb and additionally Ti and Sb by positron lifetime and Doppler broadening techniques have been done. Monovacancies were a dominating type of defects in the alloys. The authors of the present paper connect the differences between the annihilation parameters of the investigated samples with the existence of the vacancy-impurity atom pairs. A direct proportionality between the vacancy lifetime and the product of vacancy-impurity binding energy and atomic radius of impurity atom has been found.
  • Institute of Experimental Physics, Wrocław University, Pl. Maxa Borna 9, 50-204 Wrocław, Poland
  • Physical Laboratory, Technical University of Opole, Ozimska 75, 45-370 Opole, Poland
  • Institute of Physics, University of Opole, Oleska 48, 45-052 Opole, Poland
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