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Conference Paper

Inward traveling target patterns in the oscillatory CO oxidation on Pt(110)

MPS-Authors
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Beta,  Carsten
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Wolff,  Janpeter
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Rotermund,  Harm Hinrich
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Stich, M., Beta, C., Wolff, J., & Rotermund, H. H. (2004). Inward traveling target patterns in the oscillatory CO oxidation on Pt(110). In S. Boccaletti, B. J. Gluckman, J. Kurths, L. M. Pecora, R. Meucci, & O. Yordanov (Eds.), Experimental Chaos – 8th Experimental Chaos Conference (pp. 9-14). Berlin: Springer.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-0AB3-0
Abstract
The formation of target patterns in oscillatory CO oxidation on Pt(110) is studied using laser-induced, controlled creation of temperature heterogeneities. For the first time, inward traveling target waves are observed in this reaction-diffusion system. The experimental results are compared to numerical studies of the complex Ginzburg-Landau equation and the Krischer-Eiswirth-Ertl model, both extended by additional terms accounting for global gas-phase coupling to obtain good agreement with the experimental observations.