?-irradiation of quenched gold
- 1 November 1968
- journal article
- other
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 18 (155), 1097-1101
- https://doi.org/10.1080/14786436808227530
Abstract
Thin foils of quenched gold containing tetrahedra were irradiated with α-particles of maximum energy of 3·2 MeV to doses in the range 1 to 15 × 1014 cm−2. The foils were examined by electron microscopy before and after irradiation. A fraction, approximately proportional to dose, of the tetrahedra collapsed to form Frank loops; in no case was shrinkage of the tetrahedra observed. The collapse is explained as the radiation-activated collapse of a metastable defect to its stable form. Double tetrahedra also collapsed to form planar loops at a rate twice that for single tetrahedra.Keywords
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