INVESTIGADORES
RAMIREZ PASTOR Antonio Jose
artículos
Título:
Adsorption thermodynamics of a lattice-gas model with non-additive lateral interactions
Autor/es:
O. A. PINTO; A. J. RAMIREZ-PASTOR; F. NIETO
Revista:
SURFACE SCIENCE
Editorial:
Elsevier
Referencias:
Lugar: Amsterdam; Año: 2008 vol. 602 p. 1763 - 1769
ISSN:
0039-6028
Resumen:
In the present paper, we study the adsorption thermodynamics of a latticegas model with non-additive
interactions between adsorbed particles. We have assumed that the energy which links a certain atom
with any of its nearest neighbors strongly depends on the state of occupancy in the first coordination
sphere of that adatom. By means of Monte Carlo simulations in the grand canonical ensemble the adsorption
isotherms, isothermal susceptibility (or equivalently the mean square density fluctuations of adparticles),
and isosteric heat of adsorption were calculated and their striking behavior was analyzed and
discussed in terms of the low temperature phases formed in the system.