THE FORMATION OF DEFECT CLUSTERS IN ALUMINIUM BY ION BOMBARDMENT
Pre-thinned foils of aiuminium were bombarded by 85kev H/sup +/, He/sup +/, Ne/sup +/, A/sup +/, Kr/sup +/ and Xe/sup +/ ions. Elec tron microscope observations showed that the formation of point defect clusters in these foils is dose rate dependent. In foils bombarded by H/sup +/ ions, the number of observable point defects increased with increasing dose, whereas the total number of clusters and loops decreased. This is attributed to the mobility and interaction of loops during bombardment. The number of observable point defects was much greater after bombardment by Xe/sup +/, Kr/sup +/ and A/sup +/ ions than after the same dose of He/sup +/ or H/sup +/ ions. These observations are explained in terms of simple displacement theory. (auth)
- Research Organization:
- Central Electricity Generating Board, Berkeley, Glos, Eng.
- NSA Number:
- NSA-17-031030
- OSTI ID:
- 4673146
- Report Number(s):
- AERE-R-4300
- Journal Information:
- Phil. Mag., Journal Name: Phil. Mag. Vol. Vol: (8), 8
- Country of Publication:
- United Kingdom
- Language:
- English
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