Sensitization of Er luminescence by Si nanoclusters (Articolo in rivista)

Type
Label
  • Sensitization of Er luminescence by Si nanoclusters (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.69.233315 (literal)
Alternative label
  • Wojdak M; Klik M; Forcales M; Gusev OB; Gregorkiewicz T; Pacifici D; Franzo G; Priolo F; Iacona F (2004)
    Sensitization of Er luminescence by Si nanoclusters
    in Physical review. B, Condensed matter and materials physics; American Physical Society (APS), College Pk (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Wojdak M; Klik M; Forcales M; Gusev OB; Gregorkiewicz T; Pacifici D; Franzo G; Priolo F; Iacona F (literal)
Pagina inizio
  • 233315 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 69 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 23 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • University of Amsterdam, Van der Waals Zeeman Inst, NL-1018 XE Amsterdam, Netherlands Università di Catania & INFM-MATIS, I-95123 Catania, Italy CNR, IMM, Sez Catania, I-95121 Catania, Italy RAS, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia (literal)
Titolo
  • Sensitization of Er luminescence by Si nanoclusters (literal)
Abstract
  • Sensitization of Er emission by Si nanoclusters (Si-nc) is investigated with pulsed and continuous optical pumping, in and off resonance with excited states of Er3+ ion. We show that under high-power pulsed pumping, the excitation process is limited by the finite energy transfer time from Si-nc to Er3+ ions. By comparison between pulsed and steady-state excitation, the concentration of sensitizers and average number of Er3+ ions coupled to a single nanocluster are independently determined in an experiment. The results clarify conditions needed for efficient sensitization of SiO2:Er by Si-nc. (literal)
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