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- Title
Evolution of vacancy defects in the surface layers of a metal irradiated with a pulsed electron beam.
- Authors
Lavrent’yev, V. I.; Pogrebnyak, A. D.; Sandrik, R.
- Abstract
The distribution of vacancy defects in the surface layers of α-Fe after irradiation with a high-current pulsed electron beam is studied experimentally by unique nuclear-physical methods — low-energy positron annihilation, Rutherford backscattering (RBS), and proton-induced x-ray emission (PIXE). Regions with low local density, which are sources of crater formation on the surface of the irradiated sample, are observed by scanning a proton microbeam. Positron lifetime measurements reveal that as the electron beam power increases, nonequilibrium vacancies tend to be captured by carbon impurity atoms. © 1997 American Institute of Physics.
- Subjects
POINT defects; IRON; ELECTRON beams
- Publication
JETP Letters, 1997, Vol 65, Issue 8, p651
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.567401