http://www.cnr.it/ontology/cnr/individuo/prodotto/ID204449
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)
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- 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)
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- ID_PUMA: cnr.imem/2011-A0-023 (literal)
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- http://www.opticsinfobase.org/ome/abstract.cfm?uri=ome-1-5-856 (literal)
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- 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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