Models for Monolayers Adsorbed on a Square Substrate
Condensed Matter
2009-10-22 v1
Abstract
Motivated by recent experimental studies of Hg and Pb monolayers on Cu(001) we introduce a zero temperature model of a monolayer adsorbed on a square substrate. Lennard-Jones potentials are used to describe the interaction between pairs of adlayer-adlayer and adlayer-substrate atoms. We study a special case in which the monolayer atoms form a perfect square structure and the lattice constant, position and orientation with respect to the substrate can vary to minimize the energy. We introduce a rule based on the Farey tree construction to generate systematically the most energetically favored phases and use it to calculate the phase diagram in this model.
Keywords
Cite
@article{arxiv.cond-mat/9209016,
title = {Models for Monolayers Adsorbed on a Square Substrate},
author = {Ofer Biham and L. -W. Chen and Gianfranco Vidali},
journal= {arXiv preprint arXiv:cond-mat/9209016},
year = {2009}
}
Comments
14 pages, Table (included), Two Figures (available upon request). SU-92-1505