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IN- AND OUT-OF-EQUILIBRIUM SURFACES

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Catalytic reactions at the interface of a surface exposed to a gaseous reactant are often driven far from equilibrium where they manifest nonlinear phenomena such as bistability or oscillations. Remarkably, these phenomena may exist down to the nanoscale under the conditions of field emission microscopy. Phenomena such as oscillating nanopatterns are studied using a multiscale approach combining quantum mechanical calculations with kinetic theory and statistical mechanics.

Selected publications

Nanometric chemical clocks:

Nanometric chemical clocks,
J.-S. McEwen, P. Gaspard, T. Visart de Bocarmé, and N. Kruse,
Proc. Natl. Acad. Sci. U.S.A. 106, 3006 (2009).

Surface reactions in high electric fields:

Field-assisted oxidation of rhodium,
J.-S. McEwen, P. Gaspard, F. Mittendorfer, T. Visart de Bocarmé, and N. Kruse, Chem. Phys. Lett. 452, 133 (2008).

Field-induced CO adsorption and formation of carbonyl waves on gold nanotips,
T. Visart de Bocarmé, N. Kruse, P. Gaspard, and H. J. Kreuzer,
J. Chem. Phys. 125, 054704 (2006).