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- Title
MEASUREMENT THE EFFECT OF γ-IRRADIATION DOSES ON AlCu<sub>8.5</sub> BY POSITRON ANNIHILATION DOPPLER-BROADENING SPECTROSCOPY.
- Authors
ABDEL-RAHMAN, M. A.; ABDEL-RAHMAN, M.; ABO-ELSOUD, M.; EISSA, M. F.; LOTFY, YAHIA A.; BADAWI, EMAD A.
- Abstract
The effect of irradiation dose (kGy) on a set of AlCu8.5 samples has been studied. The samples were irradiated to doses of 10, 30, 50, 70, 100, 300, 500, 700 and 1000 kGy of 60Co γ-source at room temperature. The effect of γ-ray irradiation on the values of the S- and W-parameters reveals two stages. In the first stage, the S-parameter increases, while the W-parameter decreases up to 70 kGy. In the second stage, the S- and W-parameters decrease and increase respectively in the dose region from 100 to 1000 kGy. The dominant controlling mechanism of the S- and W-parameters was observed.
- Subjects
IRRADIATION; DOPPLER effect; BULK solids; NANOPARTICLES; POSITRONS; ALLOYS
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2007, Vol 21, Issue 22, p3901
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S0217979207037752