Simple self-consistent theory of adhesion at a bimetallic interface

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Abstract
A simple self-consistent calculation of the electronic energy of the solid-solid interface between two dissimilar transition metals is described in order to study the adhesion of these metals. The partial density of states on an atom is approximated by a Gaussian curve, fitted to the second moment of the density of states. The metal-metal interface energy is found to be a simple analytical function of the work functions, the cohesive energies, the position of the Fermi energies compared to the atomic levels, and the relative variation at the interface of the second moments of the density of states.