Journal Article

PreJuSER-47589

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Cl-Electrosorption on Ag(100) - Lateral Interactions and Electrosorption Valency from Monte Carlo Simulations and Experiments

Abou-Hamad, I. ; Mitchel, S. J. ; Wandlowski, T.FZJ* ; Rikvold, P. A. ; Brown, G.

2005
Elsevier New York, NY [u.a.]

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Please use a persistent id in citations: doi:10.1016/j.electacta.2005.03.057

Abstract: We present Monte Carlo simulations using an equilibrium lattice-gas model for the electrosorption of Cl on Ag(100) single-crystal surfaces. Fitting the simulated isotherms to chronocoulometry experiments, we extract parameters such as the electrosorption valency gamma and the next-nearest-neighbor lateral interaction energy phi(nnn). Both coverage-dependent and coverage-independent gamma were previously studied, assuming a constant phi(nnn) [I. Abou Hamad, Th. Wandlowski, G. Brown, P.A. Rikvold, J. Electroanal. Chem. 554-555 (2003) 211]. Here, a self-consistent, entirely electrostatic picture of the lateral interactions with a coverage-dependent phi(nnn) is developed, and a relationship between phi(nnn) and gamma is investigated for Cl on Ag(1 0 0). (C) 2005 Elsevier Ltd. All rights reserved.

Keyword(s): J ; chlorine electrosorption (auto) ; lateral interactions (auto) ; electrosorption valency (auto) ; chronocoulornetry (auto) ; continuous phase transition (auto) ; Monte Carlo simulation (auto)

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Institut für Grenzflächen und Vakuumtechnologien (ISG-3)
2. Center of Nanoelectronic Systems for Information Technology (CNI)

Research Program(s):

1. Materialien, Prozesse und Bauelemente für die Mikro- und Nanoelektronik (I01)

Appears in the scientific report 2005

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