E V Albano 1990 J. Phys. A: Math. Gen. 23 L545 doi:10.1088/0305-4470/23/11/006
E V Albano
Show affiliationsThe time evolution of the reactant concentrations, the rate of production and the concentration of vacancies around islands of the minority species, in a model for the catalytic oxidation of carbon monoxide, is studied on percolation clusters by means of Monte Carlo simulations and scaling arguments. The model exhibits two kinetic transitions and the relevant exponents for the time evolution of the above-mentioned quantities are evaluated at criticality. The influence of the fractal substratum on the behaviour of the reaction is discussed and compared with reported results for homogeneous media.
82.65.+r Surface and interface chemistry; heterogeneous catalysis at surfaces
64.60.A- Specific approaches applied to studies of phase transitions
82B26 Phase transitions (general)
82B43 Percolation (See also 60K35)
82B80 Numerical methods (Monte Carlo, series resummation, etc.) (See also 65-XX, 81T80)
Surfaces, interfaces and thin films
Issue 11 (7 June 1990)
E V Albano 1990 J. Phys. A: Math. Gen. 23 L545
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