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

• Authors: A. Baranowski , M. Kostrzewa , M. Szuszkiewicz
• Languages of publication: EN

Abstracts

EN

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.

Keywords

EN

78.70.Bj; 78.30.Er

Discipline

• 78.70.Bj: Positron annihilation(for positron states, see 71.60.+z in electronic structure of bulk materials; for positronium chemistry, see 82.30.Gg in physical chemistry and chemical physics)
• 78.30.Er: Solid metals and alloys

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2001
• Volume: 99
• Issue: 3-4
• Pages: 329-336

Dates

published

2001-03/04

received

2000-09-18

Contributors

author

A. Baranowski

• Institute of Experimental Physics, Wrocław University, Pl. Maxa Borna 9, 50-204 Wrocław, Poland

author

M. Kostrzewa

• Physical Laboratory, Technical University of Opole, Ozimska 75, 45-370 Opole, Poland

author

M. Szuszkiewicz

• Institute of Physics, University of Opole, Oleska 48, 45-052 Opole, Poland

References

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Identifiers

DOI

10.12693/APhysPolA.99.329