Strong excitons in novel two-dimensional crystals: Silicane and germanane (Articolo in rivista)

Type
Label
  • Strong excitons in novel two-dimensional crystals: Silicane and germanane (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1209/0295-5075/98/37004 (literal)
Alternative label
  • O. Pulci, P. Gori, M. Marsili, V. Garbuio, R. Del Sole, F. Bechstedt (2012)
    Strong excitons in novel two-dimensional crystals: Silicane and germanane
    in Europhysics letters (Print); European Physical Society (EPS) - EPL Association (EPLA) - Physics Publishing Alliance (PPA), Mulhouse (Francia)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • O. Pulci, P. Gori, M. Marsili, V. Garbuio, R. Del Sole, F. Bechstedt (literal)
Pagina inizio
  • 37004 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 98 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Fisica, Università di Roma Tor Vergata - Via della Ricerca Scientifica 1, I-00133 Rome, Italy, EU CNR-ISM - Via Fosso del Cavaliere 100, I-00133 Rome, Italy, EU IFTO, Friedrich Schiller Universität - Max-Wien Platz 1, D-07742 Jena, Germany, EU European Theoretical Spectroscopy Facility (literal)
Titolo
  • Strong excitons in novel two-dimensional crystals: Silicane and germanane (literal)
Abstract
  • We show by first-principles calculations that, due to depressed screening and enhanced two-dimensional confinement, excitonic resonances with giant oscillator strength appear in hydrogenated Si and Ge layers, which qualitatively and quantitatively differ from those of graphane. Their large exciton binding energies and oscillator strengths make them promising for observation of novel physical effects and application in optoelectronic devices on the nanoscale. (literal)
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