Spatiotemporal Self-Organization in a Surface Reaction: From the Atomic to the Mesoscopic Scale
- 31 August 2001
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 293 (5535) , 1635-1638
- https://doi.org/10.1126/science.1062883
Abstract
Scanning tunneling microscopy data revealed the atomic processes in propagating reaction fronts that occur in the catalytic oxidation of hydrogen on Pt(111). The fronts were also characterized on mesoscopic length scales with respect to their velocity and width. Simulations on the basis of a reaction-diffusion model reproduce the experimental findings qualitatively well. The quantitative comparison reveals the limitations of this traditional approach to modeling spatiotemporal pattern formation in nonlinear dynamics.Keywords
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