Terahertz photodetectors based on tapered semiconductor nanowires (Articolo in rivista)

Type
Label
  • Terahertz photodetectors based on tapered semiconductor nanowires (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.4903473 (literal)
Alternative label
  • Romeo, L.[ 1,2 ] ; Coquillat, D.[ 3 ] ; Husanu, E.[ 1,2 ] ; Ercolani, D.[ 1,2 ] ; Tredicucci, A.[ 4,2 ] ; Beltram, F.[ 1,2 ] ; Sorba, L.[ 1,2 ] ; Knap, W.[ 3 ] ; MS Vitiello [1,2 ] (2014)
    Terahertz photodetectors based on tapered semiconductor nanowires
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Romeo, L.[ 1,2 ] ; Coquillat, D.[ 3 ] ; Husanu, E.[ 1,2 ] ; Ercolani, D.[ 1,2 ] ; Tredicucci, A.[ 4,2 ] ; Beltram, F.[ 1,2 ] ; Sorba, L.[ 1,2 ] ; Knap, W.[ 3 ] ; MS Vitiello [1,2 ] (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84915746703&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 105 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 23 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Scuola Normale Super Pisa, NEST, I-56127 Pisa, Italy [ 2 ] CNR, Ist Nanosci, I-56127 Pisa, Italy [ 3 ] Univ Montpellier 2, Lab Charles Coulomb, CNRS, UMR 5221, F-34095 Montpellier, France [ 4 ] Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy (literal)
Titolo
  • Terahertz photodetectors based on tapered semiconductor nanowires (literal)
Abstract
  • We report on the demonstration of Terahertz (THz) broadband detectors based on field effect transistors exploiting tapered semiconductor nanowires. The intrinsic asymmetry provided by the nanowires geometry allows to achieve responsivity values as high as 55 V/W (2.5 mA/W) and a noise-equivalent-power of 3 x 10(-10) W/Hz(1/2) independent of the specific gate voltage applied. The possibility to reduce the number of terminals required to the source and drain contacts only and the technological feasibility of multi-pixel arrays are promising for the realization of compact and integrated THz matrix array detection systems. (C) 2014 AIP Publishing LLC. (literal)
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