Variational calculation of the work function for small metal spheres

A variational calculation based on the density functional formalism is performed for small metal spheres. The electron density is expressed in terms of two variational parameters chosen to minimize the energy. We find that the work function decreases as the size of the particle increases, approximat...

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Bibliographic Details
Published inSolid state communications Vol. 47; no. 10; pp. 845 - 849
Main Authors Snider, D.R., Sorbello, R.S.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.01.1983
Elsevier
Subjects
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science; rheology
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Exact sciences and technology
Materials science
Metals, semimetals and alloys
Metals. Metallurgy
Physics
Specific materials
Surface double layers, schottky barriers, and work functions
Sphere
Theoretical study
Work function
Size effect
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Summary:A variational calculation based on the density functional formalism is performed for small metal spheres. The electron density is expressed in terms of two variational parameters chosen to minimize the energy. We find that the work function decreases as the size of the particle increases, approximately in agreement with the classical result for radii greater than a few angstroms.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(83)90080-7