Density-functional theory of elastically deformed finite metallic system: work function and surface stress

Details Density-functional theory of elastically deformed finite metallic system: work function and surface stress Density-functional theory of elastically deformed finite metallic system: work function and surface stress

2001-08-27

arxiv.org/abs/cond-mat/0108436v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

15 pages, 1 figure

Scientific paper

10.1134/1.1354688

The effect of external strain on surface properties of simple metals is considered within the modified stabilized jellium model. The equations for the stabilization energy of the deformed Wigner-Seitz cells are derived as a function of the bulk electron density and the given deformation. The results for surface stress and work function of aluminium calculated within the self-consistent Kohn-Sham method are also given. The problem of anisotropy of the work function of finite system is discussed. A clear explanation of independent experiments on stress-induced contact potential difference at metal surfaces is presented.

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