Nanoscale modification of graphene transport properties by ion irradiation (Contributo in atti di convegno)

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  • Nanoscale modification of graphene transport properties by ion irradiation (Contributo in atti di convegno) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Alternative label
  • Giannazzo F, Sonde S, Raineri V, Rimini E (2010)
    Nanoscale modification of graphene transport properties by ion irradiation
    in MRS Fall Meeting, Boston, MA; United States, 30 November 2009 through 3 December 2009
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Giannazzo F, Sonde S, Raineri V, Rimini E (literal)
Pagina inizio
  • 109 (literal)
Pagina fine
  • 114 (literal)
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  • cited By (since 1996)0; Conference of org.apache.xalan.xsltc.dom.DOMAdapter@15c91d2f ; Conference Date: org.apache.xalan.xsltc.dom.DOMAdapter@469b03d5 Through org.apache.xalan.xsltc.dom.DOMAdapter@6b18b929; Conference Code:82059 (literal)
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  • 1203 (literal)
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  • 6 (literal)
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  • Scopu (literal)
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  • CNR-IMM, Strada VIII, 5, 95121 Catania, Italy; Scuola Superiore di Catania, Via San Nullo, 5/i, 95123 Catania, Italy; Dipartimento di Fisica Ed Astronomia, Università di Catania, Via S. Sofia 64, 95123 Catania, Italy (literal)
Titolo
  • Nanoscale modification of graphene transport properties by ion irradiation (literal)
Abstract
  • Single layers of graphene (SLG) mechanically exfoliated from highly oriented pyrolytic graphite and deposited on SiCVSi were irradiated with C + ions at different fluences (from 10 13 to 10 14cm -2), in order to modify the transport properties in controlled way. Using a method based on scanning probe microscopy, local measurements of the electron mean free path (I) have been carried out both on pristine and ion irradiated SLG. A lateral inhomogeneity of l was found in both cases, with an increasing spread in the distribution of l for larger fluences. Before irradiation, the spread was explained by the inhomogeneous distribution of charged impurities on SLG surface and/or at the interface with SiO 2. After irradiation, lattice vacancies cause a local reduction of l in the damaged regions. (literal)
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