Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/4511
Title: Dependence of metal surface properties on the valence-electron density in the stabilized jellium model
Authors: Brajczewska, Marta 
Henriques, C. 
Fiolhais, Carlos 
Keywords: Simple metals; Surface energy; Work function
Issue Date: 2001
Keywords: Simple metals; Surface energy; Work function
Issue Date: 2001
Citation: Vacuum. 63:1-2 (2001) 135-138
Abstract: The stabilized jellium model is the simplest model which yields realistic results for the physical properties of simple metals. For the surface properties, its single input is the valence-electron density, which is described by the density parameter rs. We remark that the surface energy and the work function as a function of rs, within that model, are reasonably approximated by power laws and compare that behaviour with similar descriptions found in the literature and with experiment. We also present a simple relationship between the surface energy and the bulk modulus, which is well fitted by the power of the density parameter (when the effective valence is taken to be z*=1). Another simple relationship between the work function and the bulk modulus is shown.
URI: http://hdl.handle.net/10316/4511
Rights: openAccess
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais

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