Fluctuation-Induced Pattern Formation in a Surface Reaction

Jens Starke, Christian Reichert, Markus Eiswirth, Harm Hinrich Rotermund, Gerhard Ertl

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Spontaneous nucleation, pulse formation, and propagation failure have been observed experimentally in CO oxidation on Pt(110) at intermediate pressures ($\approx 10^{-2}$mbar). This phenomenon can be reproduced with a stochastic model which includes temperature effects. Nucleation occurs randomly due to fluctuations in the reaction processes, whereas the subsequent damping out essentially follows the deterministic path. Conditions for the occurence of stochastic effects in the pattern formation during CO oxidation on Pt are discussed.
    Original languageEnglish
    JournalEPL
    Volume73
    Issue number6
    Pages (from-to)820-825
    ISSN0295-5075
    Publication statusPublished - 2006

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