Thermolubricity of gas monolayers on graphene (Articolo in rivista)

Type
Label
  • Thermolubricity of gas monolayers on graphene (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1039/c4nr01079e (literal)
Alternative label
  • Pierno, Matteo[ 1,2 ] ; Bignardi, Luca[ 3 ] ; Righi, Maria Clelia[ 4,5 ] ; Bruschi, Lorenzo[ 1,2 ] ; Gottardi, Stefano[ 3 ] ; Stohr, Meike[ 3 ] ; Ivashenko, Oleksii[ 3 ] ; Silvestrelli, Pier Luigi[ 1,2,6 ] ; Rudolf, Petra[ 3 ] ; Mistura, Giampaolo[ 1,2 ] (2014)
    Thermolubricity of gas monolayers on graphene
    in Nanoscale (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pierno, Matteo[ 1,2 ] ; Bignardi, Luca[ 3 ] ; Righi, Maria Clelia[ 4,5 ] ; Bruschi, Lorenzo[ 1,2 ] ; Gottardi, Stefano[ 3 ] ; Stohr, Meike[ 3 ] ; Ivashenko, Oleksii[ 3 ] ; Silvestrelli, Pier Luigi[ 1,2,6 ] ; Rudolf, Petra[ 3 ] ; Mistura, Giampaolo[ 1,2 ] (literal)
Pagina inizio
  • 8062 (literal)
Pagina fine
  • 8067 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84903639139&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 6 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 14 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Univ Padua, Dipartimento Fis & Astron G Galilei, I-35131 Padua, Italy [ 2 ] CNISM, I-35131 Padua, Italy [ 3 ] Univ Groningen, Zernike Inst Adv Mat, NL-9747 AG Groningen, Netherlands [ 4 ] Univ Modena & Reggio Emilia, CNR, Ist Nanosci, I-41125 Modena, Italy [ 5 ] Univ Modena & Reggio Emilia, Dept Phys Informat & Math, I-41125 Modena, Italy [ 6 ] Italian Natl Res Council CNR, Italian Ist Officina Mat IOM, DEMOCRITOS Natl Simulat Ctr, Trieste, Italy (literal)
Titolo
  • Thermolubricity of gas monolayers on graphene (literal)
Abstract
  • Nanofriction of Xe, Kr and N-2 monolayers deposited on graphene was explored with a quartz crystal microbalance (QCM) at temperatures between 25 and 50 K. Graphene was grown by chemical vapour deposition and transferred to the QCM electrodes with a polymer stamp. It was found to strongly adhere to the gold electrodes at temperatures as low as 5 K and at frequencies up to 5 MHz. At low temperatures, the Xe monolayers are fully pinned to the graphene surface. Above 30 K, the Xe film slides and the depinning onset coverage beyond which the film starts sliding decreases with temperature. Similar measurements repeated on bare gold show an enhanced slippage of the Xe films and a decrease of the depinning temperature below 25 K. Nanofriction measurements of Kr and N-2 confirm this scenario. This thermolubric behaviour is explained in terms of a recent theory of the size dependence of static friction between adsorbed islands and crystalline substrates. (literal)
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