Effect of back-gate on contact resistance and on channel conductance in graphene-based field-effect transistors (Articolo in rivista)

Type
Label
  • Effect of back-gate on contact resistance and on channel conductance in graphene-based field-effect transistors (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.diamond.2013.06.002 (literal)
Alternative label
  • A. Di Bartolomeo, S. Santandrea, F. Giubileo, F. Romeo, M. Petrosino, R. Citro, P. Barbara, G. Lupina, T. Schroeder, A. Rubino (2013)
    Effect of back-gate on contact resistance and on channel conductance in graphene-based field-effect transistors
    in Diamond and related materials
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Di Bartolomeo, S. Santandrea, F. Giubileo, F. Romeo, M. Petrosino, R. Citro, P. Barbara, G. Lupina, T. Schroeder, A. Rubino (literal)
Pagina inizio
  • 19 (literal)
Pagina fine
  • 23 (literal)
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  • 38 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Note
  • Scopus (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Fisica \"E.R. Caianiello\" and Centro Interdipartimentale NANO_MATES, Università di Salerno, via Ponte don Melillo, 84084, Fisciano (SA), Italy CNR-SPIN Salerno, c/o Dipartimento di Fisica, Università di Salerno, via Ponte don Melillo, 84084, Fisciano (SA), Italy Dipartimento di Ingegneria Industriale, Università di Salerno, via Ponte don Melillo, 84084, Fisciano (SA), Italy Physics Department, Georgetown University, Washington, DC 20057-1228, USA IHP, Im Technologiepark 25, 15236, Frankfurt (Oder), Germany (literal)
Titolo
  • Effect of back-gate on contact resistance and on channel conductance in graphene-based field-effect transistors (literal)
Abstract
  • We study the contact resistance and the transfer characteristics of back-gated field effect transistors of mono- and bi-layer graphene. We measure specific contact resistivity of ~ 7 k ? ?m2 and ~ 30k ? ?m2 for Ni and Ti, respectively. We show that the contact resistance is a significant contributor to the total source-to-drain resistance and it is modulated by the back-gate voltage. We measure transfer characteristics showing a double dip feature that we explain as the effect of doping due to charge transfer from the contacts causing minimum density of states for graphene under the contacts and in the channel at different gate voltage. (literal)
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