Electron dynamics in vacancy islands

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dc.creatorJensen, H.
dc.creatorKroeger, J.
dc.creatorBerndt, R.
dc.creatorCrampin, S.
dc.date2004-11-01
dc.date.accessioned2026-07-07T03:01:49Z
dc.date.available2026-07-07T03:01:49Z
dc.descriptionThe dynamics of Ag(111) surface state electrons confined to nanoscale hexagonal and triangular vacancy islands are investigated using scanning tunneling spectroscopy. The lifetimes of quantised states with significant amplitude near the centers of the vacancies are weakly affected by the geometry of the confining cavity. A model that includes the dependence of the lifetime on electron energy, vacancy size, step reflectivity and the phase coherence length describes the results well. For vacancy islands with areas in the range $\approx 40$--$220 {\rm nm}^2$ lossy scattering is the dominant lifetime-limiting process. This result and a corrected analysis of published experimental data improve the consistency of experimental and calculated surface state lifetimes.
dc.description4 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0411030
dc.identifierhttp://arxiv.org/abs/cond-mat/0411030
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/25187
dc.subjectOther Condensed Matter
dc.titleElectron dynamics in vacancy islands
dc.typetext

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