Magnetic States in Prismatic Core Multishell Nanowires (Articolo in rivista)

Type
Label
  • Magnetic States in Prismatic Core Multishell Nanowires (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/nl803942p (literal)
Alternative label
  • Giulio Ferrari and Guido Goldoni and Andrea Bertoni and Giampaolo Cuoghi and Elisa Molinari (2009)
    Magnetic States in Prismatic Core Multishell Nanowires
    in Nano letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Giulio Ferrari and Guido Goldoni and Andrea Bertoni and Giampaolo Cuoghi and Elisa Molinari (literal)
Pagina inizio
  • 1631 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://dx.doi.org/10.1021/nl803942p (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 9 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-INFM Research Center on nanoStructures and bioSystems at Surfaces (S3); CNISM Unita? di Ricerca di Modena; Dipartimento di Fisica, University of Modena and Reggio Emilia, Via Campi 213/A, 41100 Modena, Italy NANO - Istituto Nanoscienze (literal)
Titolo
  • Magnetic States in Prismatic Core Multishell Nanowires (literal)
Abstract
  • We study the electronic states of core multishell semiconductor nanowires, including the effect of strong magnetic fields. We show that the multishell overgrowth of a free-standing nanowire, together with the prismatic symmetry of the substrate, may induce quantum confinement of carriers in a set of quasi-1D quantum channels corresponding to the nanowire edges. Localization and interchannel tunnel coupling are controlled by the curvature at the edges and the diameter of the underlying nanowire. We also show that a magnetic field may induce either Aharonov-Bohm oscillations of the energy levels in the axial configuration, or a dimensional transition of the quantum states from quasi-1D to Landau levels for fields normal to the axis. Explicit predictions are given for nanostructures based on GaAs, InAs, and InGaN with different symmetries. (literal)
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