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Título

Quantum well states, resonances and stability of metallic overlayers

Autor Ogando, E.; Zabala, Nerea ; Chulkov, Eugene V. ; Puska, M. J.
Palabras clave Metal overlayers
Stability
Quantum well states (QWSs)
Quantum well resonances (QWRs)
Cu(111)
Confining gap
Thickness
Surface Science
Fecha de publicación 26-jun-2008
EditorInstitute of Physics Publishing
Citación J. Phys.: Condens. Matter 20: 315002 (2008)
ResumenThe role of quantum well states (QWSs) and quantum well resonances (QWRs) in the stability of metallic overlayers is studied. When the substrate presents a confining gap, as it is the case of Cu(111), the stability is determined by QWSs and there is experimental evidence of the existence of magic thicknesses. For overlayers which do not have QWSs, as those grown on Al(111), we explore the existence of thicknesses of enhanced stability due to QWRs by comparing the strength of the oscillations in the surface energy.
Descripción 8 pages, 7 figures.-- Printed version published on Aug 6, 2008.
Versión del editorhttp://dx.doi.org/10.1088/0953-8984/20/31/315002
URI http://hdl.handle.net/10261/8457
DOI10.1088/0953-8984/20/31/315002
ISSN0953-8984
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