Carrier thermodynamics in InAs/InxGa1-xAs quantum dots (Articolo in rivista)

Type
Label
  • Carrier thermodynamics in InAs/InxGa1-xAs quantum dots (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.74.205302 (literal)
Alternative label
  • Sanguinetti S., Colombo D., Guzzi M., and Grilli E., Gurioli M., Seravalli L., Frigeri P., and Franchi S. (2006)
    Carrier thermodynamics in InAs/InxGa1-xAs quantum dots
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Sanguinetti S., Colombo D., Guzzi M., and Grilli E., Gurioli M., Seravalli L., Frigeri P., and Franchi S. (literal)
Pagina inizio
  • 205302-1 (literal)
Pagina fine
  • 205302-1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://link.aps.org/doi/10.1103/PhysRevB.74.205302 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 74 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Scienza dei Materiali, Universitá di Milano Bicocca, Via Cozzi 53, I-20125, Milano, Italy LENS and Dipartimento di Fisica, Universitá di Firenze, Via Sansone 1, I-50019, Sesto Fiorentino, Italy CNR-IMEM Institute, Parco delle Scienze 37a, I-43100 Parma, Italy (literal)
Titolo
  • Carrier thermodynamics in InAs/InxGa1-xAs quantum dots (literal)
Abstract
  • We present a detailed study of the carrier thermodynamics in InAs/InxGa1-xAs self-assembled quantum dots performed via an accurate determination of the dependence of the quantum dot photoluminescence efficiency on temperature, excitation power density and wavelength. We have found experimental evidences that the electron and hole populations in the dots are highly correlated. We also show that other puzzling effects, like the onset of the superlinear dependence of the quantum dot integrated photoluminescence intensity on the excitation power density, stem from the saturation, by the photogenerated carriers, of nonradiative centers in barrier. (literal)
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