Promoter-induced reactive phase separation in surface reactions

Y. De Decker, H. Marbach, M. Hinz, S. Günther, M. Kiskinova, A. S. Mikhailov, R. Imbihl

Research output: Contribution to journalArticlepeer-review

54 Scopus citations


The stationary patterns found in the surface reaction on Rh(110) was explained as corresponding to reactive phase separation. Photoemission spectroscopy was used in order to visualize the reaction dynamics. The high affinity between potassium and oxygen is apparently the main driving force for the condensation process. The effects of reactive phase separation will play an important role in a broad class of catalytic systems comprising promoters and poisons, as well as in the bimetallic systems with mobile components.

Original languageEnglish
Article number198305
Pages (from-to)198305-1-198305-4
JournalPhysical Review Letters
Issue number19
StatePublished - 14 May 2004
Externally publishedYes


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