Traveling interface modulations in the NH3 + O2 reaction on a Rh(110) surface

M. Rafti; H. Uecker; F. Lovis; V. Krupennikova; R. Imbihl

doi:10.1039/C2CP23970A

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Traveling interface modulations in the NH₃ + O₂ reaction on a Rh(110) surface†

M. Rafti,^a H. Uecker,^b F. Lovis,^c V. Krupennikova^c and R. Imbihl*^c

Author affiliations

* Corresponding authors

^a Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Fac. Cs. Exactas, Universidad Nacional de La Plata, Calle 64 y diag. 113 (1900), La Plata, Argentina

^b Institut für Mathematik, Carl von Ossietzky Universität Oldenburg, D-26111 Oldenburg, Germany
E-mail: hannes.uecker@uni-oldenburg.de

^c Institut für Physikalische Chemie und Elektrochemie, Leibniz-Universität Hannover, Callinstr. 3 - 3a, D-30167 Hannover, Germany
E-mail: imbihl@pci.uni-hannover.de

Abstract

A new type of traveling interface modulation has been observed in the NH₃ + O₂ reaction on a Rh(110) surface. A model is set up which reproduces the effect, which is attributed to diffusional mixing of two spatially separated adsorbates causing an excitability which is strictly localized to the vicinity of the interface of the adsorbate domains.

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Article information

DOI: https://doi.org/10.1039/C2CP23970A
Article type: Paper
Submitted: 12 Dec 2011
Accepted: 14 Feb 2012
First published: 15 Feb 2012

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Phys. Chem. Chem. Phys., 2012,14, 5260-5264

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Traveling interface modulations in the NH₃ + O₂ reaction on a Rh(110) surface

M. Rafti, H. Uecker, F. Lovis, V. Krupennikova and R. Imbihl, Phys. Chem. Chem. Phys., 2012, 14, 5260 DOI: 10.1039/C2CP23970A

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