Journal
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA
Volume 144, Issue -, Pages 361-366Publisher
ELSEVIER
DOI: 10.1016/j.elspec.2005.01.275
Keywords
X-ray photoelectron microscopy and imaging; low energy electron microscopy; core level shifts; reaction fronts; Rh; Au; water formation
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X-ray photoemission electron microscopy (XPEEM) and low energy electron microscopy (LEEM) were successfully combined with scanning pbotoelectron microscopy (SPEM) to probe in situ the propagation of reaction fronts and thoroughly characterize the induced complex surface morphology, involving changes in the local structure and chemical state of the substrate and the adsorbed layer. It was found that the oxidation fronts in water formation reaction on a Au-modified Ru(1 1 0) surface trigger redistribution of the initially uniform An adlayer. It is accompanied by massive reconstruction and deconstruction of the substrate surface and development of a 'patterned' interface consisting of separated adsorption phases. (c) 2005 Elsevier B.V. All rights reserved.
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