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Modification of spatiotemporal pattern formation in an excitable medium by continuous variation of its intrinsic parameters: CO oxidation on Pt(110)

MPS-Authors
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Asakura,  K.
Fritz Haber Institute, Max Planck Society;

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Lauterbach,  Jochen
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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Ertl,  Gerhard
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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PhysRevB.50.8043.pdf
(Publisher version), 555KB

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Citation

Asakura, K., Lauterbach, J., Rotermund, H.-H., & Ertl, G. (1994). Modification of spatiotemporal pattern formation in an excitable medium by continuous variation of its intrinsic parameters: CO oxidation on Pt(110). Physical Review B, 50(11), 8043. doi:10.1103/PhysRevB.50.8043.


Cite as: https://hdl.handle.net/21.11116/0000-0009-98C2-0
Abstract
The phenomenology of spatiotemporal concentration patterns associated with the catalytic oxidation of CO on a Pt(110) surface for conditions of excitability as monitored by photoemission electron microscopy is affected by deposition of submonolayer quantities of Au. This is due to continuous variation of the intrinsic kinetic parameters while the degree of homogeneity of the medium on the mesoscopic scale remains unaltered.