Positron annihilation studies of quenched aluminium
- 1 January 1978
- journal article
- Published by IOP Publishing in Journal of Physics F: Metal Physics
- Vol. 8 (1) , L1-L5
- https://doi.org/10.1088/0305-4608/8/1/001
Abstract
Positron annihilation Doppler broadening measurements were made on quenched aluminium single-crystal and polycrystal samples as a function of isochronal annealing. Changes in the annihilation lineshape due to clustering of vacancies were observed. The measurements show that clusters begin to form very early in stage III and that the degree of clustering depends strongly on the density of vacancy sinks in the samples.Keywords
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