Al+ implanted 4H-SiC: improved electrical activation and ohmic contacts (Contributo in atti di convegno)

Type
Label
  • Al+ implanted 4H-SiC: improved electrical activation and ohmic contacts (Contributo in atti di convegno) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.4028/www.scientific.net/MSF.740-742.767 (literal)
Alternative label
  • R. Nipoti, A. Hallén, A. Parisini, F. Moscatelli, S. Vantaggio, (2013)
    Al+ implanted 4H-SiC: improved electrical activation and ohmic contacts
    in 9th European Conference on Silicon Carbide and Related Materials (ECSCRM 2012), St Petersburg, RUSSIA, SEP 02-06, 2012
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • R. Nipoti, A. Hallén, A. Parisini, F. Moscatelli, S. Vantaggio, (literal)
Pagina inizio
  • 767 (literal)
Pagina fine
  • 772 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scientific.net/MSF.740-742.767 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
  • SILICON CARBIDE AND RELATED MATERIALS 2012 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
  • 740-742 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-IMM of Bologna; KTH of Kista; University of Parma; CNR-IMM of Bologna; University of Parma (literal)
Titolo
  • Al+ implanted 4H-SiC: improved electrical activation and ohmic contacts (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
  • Alexander A. Lebedev, Sergey Yu. Davydov, Pavel A. Ivanov and Mikhail E. Levinshtein (literal)
Abstract
  • The p-type doping of high purity semi-insulating 4H-SiC by Al+ ion implantation and a conventional thermal annealing of 1950 degrees C/5 min has been studied for implanted Al concentration in the range of 1x10(19) - 8x10(20) cm(-3) and 0.36 mu m thickness of the implanted layer. Sheet resistance in the range of 1.6 x 10(4) to 8.9 x 10(2) Omega(square), corresponding to a resistivity in the range of 4.7 x 10(-1) to 2.7 x 10(-2) Omega cm for increasing Al concentration have been obtained. Hall carrier density and mobility data in the temperature range of 140 - 600 K feature the transition from a valence band to an intra-band conduction for increasing Al concentration. In addition, the specific contact resistance of Ti/Al contacts on the 5 x 10(19) cm(-3) Al implanted specimen features a thermionic field effect conduction with a specific contact resistance in the 10(-6) Omega cm(2) decade. (literal)
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