Low-temperature germanium thin films on silicon (Articolo in rivista)

Type
Label
  • Low-temperature germanium thin films on silicon (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1364/OME.1.000856 (literal)
Alternative label
  • Sorianello, Vito 1, Colace, Lorenzo 1, Armani, Nicola 2, Rossi, Francesca 2, Ferrari, Claudio 2, Lazzarini, Laura 2, Assanto, Gaetano 1 (2011)
    Low-temperature germanium thin films on silicon
    in Optical materials express; optical society of america, Washington (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Sorianello, Vito 1, Colace, Lorenzo 1, Armani, Nicola 2, Rossi, Francesca 2, Ferrari, Claudio 2, Lazzarini, Laura 2, Assanto, Gaetano 1 (literal)
Pagina inizio
  • 856 (literal)
Pagina fine
  • 865 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • ID_PUMA: cnr.imem/2011-A0-023 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.opticsinfobase.org/ome/abstract.cfm?uri=ome-1-5-856 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 1 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Nonlinear Optics and OptoElectronics Lab (NooEL), Rome, Italy; (2) CNR, Inst IMEM, I-43124 Parma, Italy (literal)
Titolo
  • Low-temperature germanium thin films on silicon (literal)
Abstract
  • We discuss thermal evaporation of Germanium thin films as a suitable route to realizing near-infrared detectors integrated on a Silicon platform. We study the structural properties of samples grown at various substrate temperatures by X-ray diffraction and transmission electron microscopy, showing that Ge thin films are amorphous when deposited below 225°C, mono-crystalline between 225 and 400°C, poly-crystalline above 450°C. We further investigate their optical and electrical properties using differential optical absorption spectroscopy, Hall and photocurrent measurements. Finally, with the evaporated Ge thin films we demonstrate near-infrared photodiodes with low dark current density and good responsivity at 1.55 ?m. (literal)
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