Oxidation of Al(111)

The oxidation of Al(111) has been studied with a wide range of experimental and theoretical tools. Despite this attention it has only been with the use of MEIS that it has been possible to establish that at oxygen exposures of up to 100 L there is no detectable subsurface oxygen. The oxygen concentr...

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Bibliographic Details
Published in:Surface science 1993-05, Vol.287, p.438-442
Main Authors: O'Connor, D.J., Wouters, E.R., van der Gon, A.W.Denier, Vrijmoeth, J., Zagwijn, P.M., Slijkerman, W.F.J., Frenken, J.W.M., van der Veen, J.F.
Format: Article
Language:English
Subjects:
Applied sciences
Corrosion
Corrosion environments
Exact sciences and technology
Metals. Metallurgy
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Summary:The oxidation of Al(111) has been studied with a wide range of experimental and theoretical tools. Despite this attention it has only been with the use of MEIS that it has been possible to establish that at oxygen exposures of up to 100 L there is no detectable subsurface oxygen. The oxygen concentration increases smoothly with exposure up to 200 L and furthermore it has been found that oxidation induces an enhanced aluminium atom yield in the surface peak. The location of the surface adsorption site was not possible with normal methods of blocking and shadowing, however the site has been determined with the use of an energy-modulation method. This has identified the most probable site to be a C site.
ISSN:0039-6028
1879-2758
DOI:10.1016/0039-6028(93)90819-6