Electronic and atomic shell structure in aluminum nanowires

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dc.creatorMares, A. I.
dc.creatorUrban, D. F.
dc.creatorBürki, J.
dc.creatorGrabert, H.
dc.creatorStafford, C. A.
dc.creatorvan Ruitenbeek, J. M.
dc.date2007-03-22
dc.date2007-03-23
dc.date.accessioned2026-07-07T08:04:44Z
dc.date.available2026-07-07T08:04:44Z
dc.descriptionWe report experiments on aluminum nanowires in ultra-high vacuum at room temperature that reveal a periodic spectrum of exceptionally stable structures. Two "magic" series of stable structures are observed: At low conductance, the formation of stable nanowires is governed by electronic shell effects whereas for larger contacts atomic packing dominates. The crossover between the two regimes is found to be smooth. A detailed comparison of the experimental results to a theoretical stability analysis indicates that while the main features of the observed electron-shell structure are similar to those of alkali and noble metals, a sequence of extremely stable wires plays a unique role in Aluminum. This series appears isolated in conductance histograms and can be attributed to "superdeformed" non-axisymmetric nanowires.
dc.description15 pages, 9 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0703589
dc.identifierhttp://arxiv.org/abs/cond-mat/0703589
dc.identifierNanotechnology 18, 265403 (2007)
dc.identifierdoi:10.1088/0957-4484/18/26/265403
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/130070
dc.subjectMesoscale and Nanoscale Physics
dc.titleElectronic and atomic shell structure in aluminum nanowires
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