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Lateral variation measurement of helium concentration in implanted Al foils using a proton microbeam

Bodart, F. and Donnelly, S. E. (1983) Lateral variation measurement of helium concentration in implanted Al foils using a proton microbeam. Nuclear Instruments and Methods in Physics Research, 218 (1-3). pp. 529-532. ISSN 0167-5087

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Abstract

As a continuation of a resear program aimed at studying the interaction of ion implanted helium with metals, this paper describes the use of a proton microbeam to look at lateral variation of helium concentration in 2 μm Al foils. Experiments to date have looked at the trapping of helium in 2000 Å films and the resulting film deformation as well as the spectroscopic properties of the implanted helium with the aim of better understanding blister formation mecsb give rise to a helium depleted zone, surrounding each blister, we use a proton microbeam on a helium implanted, blistered Al foil as a means of testing this hypothesis. Helium concentration is measured using elastic resonant proton backscattering at 2.2 MeV with a spatial resolution of 3 μm. Results and their significances to blister formation are presented.

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Computing and Engineering > Electron Microscopy and Materials Analysis
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Depositing User: Graeme Greaves
Date Deposited: 02 Oct 2013 08:17
Last Modified: 02 Oct 2013 08:17
URI: http://eprints.hud.ac.uk/id/eprint/18674

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