Observation of front bifurcations in controlled geometries: From one to two dimensions

G. Haas, M. Bär, I. G. Kevrekidis, P. B. Rasmussen, H. H. Rotermund, G. Ertl

Research output: Contribution to journalArticle

59 Scopus citations

Abstract

The introduction of microstructures in the form of quasi-one-dimensional channels on a Pt(100) surface allows the detection of front bifurcations for concentration waves from adsorbed O and CO species accompanying their catalytic reaction. At the exits of these channels into larger circular domains, the fronts can be reflected depending on the width of the channels and the external parameters. These findings are reproduced within a reaction-diffusion model.

Original languageEnglish (US)
Pages (from-to)3560-3563
Number of pages4
JournalPhysical review letters
Volume75
Issue number19
DOIs
StatePublished - Jan 1 1995

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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