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Mathematical Modelling and Data Analysis

Department 8.4

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Title: Nucleation of spiral wave patterns at surface defects
Author(s): H. Wei, G. Lilienkamp, J. Davidsen, M. Bär and R. Imbihl
Journal: Physical review. E, Statistical, nonlinear, and soft matter physics
Year: 2006
Volume: 73
Issue: 1 Pt 2
Pages: 016210
DOI: 10.1103/PhysRevE.73.016210
ISSN: 1539-3755
Web URL: http://www.ncbi.nlm.nih.gov/pubmed/16486261
Keywords: 8.41
Tags: 8.41
Abstract: The nucleation of spiral waves at a surface defect during catalytic CO oxidation on Pt(110) has been studied with a low energy electron microscope system. It is found that reaction fronts originate from a boundary layer between the defect and the surrounding Pt(110) area. The findings are corroborated by numerical simulations within a realistic reaction-diffusion model of the surface reaction.

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