Donor Wave Functions Delocalization in Silicon Nanowires: The Peculiar [011] Orientation (Articolo in rivista)

Type
Label
  • Donor Wave Functions Delocalization in Silicon Nanowires: The Peculiar [011] Orientation (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/nl403004u (literal)
Alternative label
  • Guido Petretto (1,2), Alberto Debernardi (1), and Marco Fanciulli (1,2) (2013)
    Donor Wave Functions Delocalization in Silicon Nanowires: The Peculiar [011] Orientation
    in Nano letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Guido Petretto (1,2), Alberto Debernardi (1), and Marco Fanciulli (1,2) (literal)
Pagina inizio
  • 4963 (literal)
Pagina fine
  • 4968 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 13 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Laboratorio MDM, IMM-CNR, via C. Olivetti, 2 I-20864 Agrate Brianza (MB), Italy (2) Dipartimento di Scienza dei Materiali, Universit√† degli Studi di Milano-Bicocca, via Cozzi 53, I-20125 Milano, Italy (literal)
Titolo
  • Donor Wave Functions Delocalization in Silicon Nanowires: The Peculiar [011] Orientation (literal)
Abstract
  • Abstract: The localization of the donor electron wave function can be of key importance in various silicon applications, since for example it determines the interactions between neighboring donors. Interestingly, the physical confinement of the electrons in quasi-one-dimensional nanostructures, like silicon nanowires, noticeably affects this property. Using fully ab initio calculations, we show that the delocalization of the donor electron wave function along the axis of a nanowire is much greater in [011] oriented nanowires for phosphorus and selenium donors. We also demonstrate that its value can be controlled by applying a compressive or tensile uniaxial strain. Finally, we discuss the implications of these features from both an experimental and a theoretical point of view. (literal)
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