Physics – Condensed Matter – Materials Science
Scientific paper
2004-04-09
J. Chem. Phys. 121(9), 4316 (2004)
Physics
Condensed Matter
Materials Science
9 pages, 5 figures
Scientific paper
10.1063/1.1775780
In this work we present an application of the lambda-phi^4 field theoretical model to the adsorption of atoms and molecules on metallic surfaces - the electrochemical deposition. The usual approach to this system consists in the computational simulation using Monte Carlo techniques of an effective lattice-gas Hamiltonian. We construct an effective model towards a comparison between the lattice-gas Hamiltonian and the discrete version of the lambda-phi^4 Hamiltonian, obtaining the relationships between the model parameters and electrochemical quantities. The lambda-phi^4 model is studied in the mean field approximation, and the results are fitted and compared to numerical simulated and experimental data.
Mota Andre L.
Taroco H. A.
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