Browsing by Author "Mertens, Franz"

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    Chemical waves in media with state-dependent anisotropy
    (1994) Gottschalk-Mazouz, Niels; Mertens, Franz; Bär, Markus; Eiswirth, Markus; Imbihl, Ronald
    In the reduction of NO with H2 on a Rh(110) surface rectangularly shaped target patterns and spirals with sharp corners have been observed. These patterns can be reproduced with a simple model assuming that the (anisotropic) diffusion is state dependent. Such a dependence is realized in the system Rh(110)/NO + H2 by the presence of different adsorbate-induced reconstructions with varying substrate geometries.