Traveling interface modulations and anisotropic front propagation in ammonia oxidation over Rh(110)

The bistable NH<sub>3</sub> + O<sub>2</sub> reaction over a Rh(110) surface was explored in the pressure range 10<sup>−6</sup>–10<sup>−3</sup> mbar and in the temperature range 300–900 K using photoemission electron microscopy and low energy electron m...

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Autores principales: Rafti, Matías, Borkenhagen, Benjamin, Lilienkamp, G., Lovis, Florian, Smolinsky, Tim, Imbihl, Ronald
Formato: Articulo
Lenguaje:Inglés
Publicado: 2015
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Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/123510
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Sumario:The bistable NH<sub>3</sub> + O<sub>2</sub> reaction over a Rh(110) surface was explored in the pressure range 10<sup>−6</sup>–10<sup>−3</sup> mbar and in the temperature range 300–900 K using photoemission electron microscopy and low energy electron microscopy as spatially resolving methods. We observed a history dependent anisotropy in front propagation, traveling interface modulations, transitions with secondary reaction fronts, and stationary island structures.