In situ surface x-ray diffraction studies of homoepitaxial electrochemical growth on Au(100)

Direct in situ x-ray surface scattering studies of growth at a solid-liquid interface are demonstrated using the homoepitaxial electrodeposition on Au(100) as an example. With decreasing potential transitions from step-flow to layer-by-layer growth, manifested by layering oscillations in the x-ray i...

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Bibliographic Details
Published in:Physical review letters 2006-06, Vol.96 (24), p.246101-246101, Article 246101
Main Authors: Krug, K, Stettner, J, Magnussen, O M
Format: Article
Language:English
Subjects:
ANIONS
CRYSTAL GROWTH
ELECTRODEPOSITION
GOLD
LAYERS
MATERIALS SCIENCE
X-RAY DIFFRACTION
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Summary:Direct in situ x-ray surface scattering studies of growth at a solid-liquid interface are demonstrated using the homoepitaxial electrodeposition on Au(100) as an example. With decreasing potential transitions from step-flow to layer-by-layer growth, manifested by layering oscillations in the x-ray intensity, then to multilayer growth, and finally back to layer-by-layer growth were observed. This complex growth behavior can be explained by the effect of anion coadsorbates and the potential-dependent Au surface reconstruction on the Au surface mobility.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.96.246101