Cellular Structures in Catalytic Reactions with Global Coupling

Rose, Kai C.; Battogtokh, D.; Mikhailov, Alexander S.; Imbihl, R.; Engel, Wilfried; Bradshaw, Alexander M.

doi:10.1103/PhysRevLett.76.3582

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Cellular Structures in Catalytic Reactions with Global Coupling

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Rose, Kai C.
Fritz Haber Institute, Max Planck Society;

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Battogtokh, D.
Fritz Haber Institute, Max Planck Society;

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Mikhailov, Alexander S.
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Engel, Wilfried
Fritz Haber Institute, Max Planck Society;

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Bradshaw, Alexander M.
Fritz Haber Institute, Max Planck Society;

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PhysRevLett.76.3582.pdf
(出版社版), 136KB

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引用

Rose, K. C., Battogtokh, D., Mikhailov, A. S., Imbihl, R., Engel, W., & Bradshaw, A. M. (1996). Cellular Structures in Catalytic Reactions with Global Coupling. Physical Review Letters, 76(19), 3582-3585. doi:10.1103/PhysRevLett.76.3582.

引用: https://hdl.handle.net/21.11116/0000-0009-AB06-0

要旨

By employing mirror electron microscopy (MEM) to image the Pt(110) surface during the catalytic oxidation of CO we observe that a fine cellular structure (typical dimension 1–5 μm) develops under conditions at which rate oscillations occur. Based on an analysis using the complex Ginzburg-Landau equation, it is demonstrated that such a structure forms generally in an oscillatory medium in the presence of global coupling.