Adventitious carbon growth on aluminium and gold-aluminium alloy surfaces

The accumulation of adventitious carbon on Al and Au–Al alloy surfaces has been studied using XPS across a wide range of water vapour and air exposures. Carbon growth undergoes several discrete changes with the increase of exposure dose. X‐ray irradiation effects on carbon growth were also investiga...

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Bibliographic Details
Published in:Surface and interface analysis 2002-07, Vol.33 (7), p.591-594
Main Authors: Piao, H., McIntyre, N. S.
Format: Article
Language:English
Subjects:
adventitious carbon
aluminium
Applied sciences
Au-Al alloy
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Metals. Metallurgy
Oxidation
Physics
Surface treatments
thickness
x-ray radiation
XPS
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Summary:The accumulation of adventitious carbon on Al and Au–Al alloy surfaces has been studied using XPS across a wide range of water vapour and air exposures. Carbon growth undergoes several discrete changes with the increase of exposure dose. X‐ray irradiation effects on carbon growth were also investigated. Under x‐ray irradiation Au–Al surfaces show a faster carbon growth than pure Al and Au metal surfaces. A fivefold increase of carbon contamination rate on an Au‐rich Au–Al alloy (Au/Al = 5.0) surface has been observed. Copyright © 2002 John Wiley & Sons, Ltd.
ISSN:0142-2421
1096-9918
DOI:10.1002/sia.1425