Impact of surface morphology on the electrical properties of Al/Ti Ohmic contacts on Al-implanted 4H-SiC (Articolo in rivista)

Type
Label
  • Impact of surface morphology on the electrical properties of Al/Ti Ohmic contacts on Al-implanted 4H-SiC (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.4028/www.scientific.net/MSF.679-680.413 (literal)
Alternative label
  • A. Frazzetto, F. Roccaforte, F. Giannazzo, R. Lo Nigro, C. Bongiorno, S. Di Franco,M. H. Weng, M. Saggio, E. Zanetti, V. Raineri (2011)
    Impact of surface morphology on the electrical properties of Al/Ti Ohmic contacts on Al-implanted 4H-SiC
    in Materials science forum
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Frazzetto, F. Roccaforte, F. Giannazzo, R. Lo Nigro, C. Bongiorno, S. Di Franco,M. H. Weng, M. Saggio, E. Zanetti, V. Raineri (literal)
Pagina inizio
  • 413 (literal)
Pagina fine
  • 416 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 679-680 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto per la microelettronica e Microsistemi , CNR St Microelectronics (literal)
Titolo
  • Impact of surface morphology on the electrical properties of Al/Ti Ohmic contacts on Al-implanted 4H-SiC (literal)
Abstract
  • This paper reports on the impact of the surface morphology on the properties of Ti/Al Ohmic contacts fabricated on AI-implanted 4H-SiC. In particular, the surface roughness of the Al-implanted regions after annealing at 1700 degrees C was strongly reduced by the using a protective carbon capping layer during annealing (the surface roughness decreased from 9.0 nm to 1.3 nm). In this way, also the morphology and the specific contact resistance of Ti/Al Ohmic contacts formed on the implanted regions could be improved. The electrical and morphological data were correlated with the structural properties of the reacted metal layer and of the metal/SiC interfacial region. (literal)
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