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ZhETF, Vol. 119, No. 2, p. 350 (February 2001)
(English translation - JETP, Vol. 92, No. 2, p. 304, February 2001 available online at www.springer.com )

DENSITY-FUNCTIONAL THEORY OF ELASTICALLY DEFORMED FINITE METALLIC SYSTEM: WORK FUNCTION AND SURFACE STRESS
Pogosov V.V., Kurbatsky V.P.

Received: August 3, 2000

PACS: 68.35.Md, 36.40.-c

DJVU (104.8K) PDF (266.5K)

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

 
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