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Title: Kinetic phase transitions in a reversible unimolecular/bimolecular surface reaction scheme
Authors: Deem, M.W.
Weinberg, W.H.
Kang, H.C. 
Issue Date: 1-Oct-1992
Citation: Deem, M.W.,Weinberg, W.H.,Kang, H.C. (1992-10-01). Kinetic phase transitions in a reversible unimolecular/bimolecular surface reaction scheme. Surface Science 276 (1-3) : 99-108. ScholarBank@NUS Repository.
Abstract: The model surface reaction scheme A2(g) + 2V ⇄ 2A(a), B(g) + V ⇄ B(a), and AB(g) + 2V ⇄ A(a) + B(a) is studied by Monte Carlo simulation. The effects of adsorption, desorption, and surface reaction are included in the model. For small probabilities of desorption of the reactants A2 and B, a kinetic phase transition in the surface reactivity is found. This phase transition occurs only when the probability of desorption of A2 is significantly larger than that of B. A mean field analysis predicts a phase transition over a somewhat wider range of desorption probabilities than the Monte Carlo simulation results indicate. © 1992.
Source Title: Surface Science
ISSN: 00396028
Appears in Collections:Staff Publications

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