http://www.cnr.it/ontology/cnr/individuo/prodotto/ID263161
Temperature-driven reversible rippling and bonding of a graphene superlattice (Articolo in rivista)
- Type
- Label
- Temperature-driven reversible rippling and bonding of a graphene superlattice (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1021/nn402178u (literal)
- Alternative label
Locatelli, A, Wang, C, Africh, C, Stoji?, N, Mente?, T.O, Comelli, G, Binggeli, N (2013)
Temperature-driven reversible rippling and bonding of a graphene superlattice
in ACS nano; ACS, American chemical society, Washington, DC (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Locatelli, A, Wang, C, Africh, C, Stoji?, N, Mente?, T.O, Comelli, G, Binggeli, N (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://pubs.acs.org/doi/abs/10.1021/nn402178u (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
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- ISI Web of Science (WOS) (literal)
- Scopus (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- a Elettra - Sincrotrone Trieste, S.C.p.A., 34149 Trieste, Italy
b Abdus Salam International Centre for Theoretical Physics, 34151 Trieste, Italy
c IOM-CNR Laboratorio TASC, 34149 Trieste, Italy
d IOM-CNR Democritos, 34151 Trieste, Italy
e Department of Physics and CENMAT, University of Trieste, 34127 Trieste, Italy (literal)
- Titolo
- Temperature-driven reversible rippling and bonding of a graphene superlattice (literal)
- Abstract
- In order to unravel the complex interplay between substrate interactions and film configuration, we investigate and characterize graphene on a support with non-three-fold symmetry, the square Ir(100). Below 500 C, distinct physisorbed and chemisorbed graphene phases coexist on the surface, respectively characterized by flat and buckled morphology. They organize into alternating domains that extend on mesoscopic lengths, relieving the strain due to the different thermal expansion of film and substrate. The chemisorbed phase exhibits exceptionally large one-dimensional ripples with regular nanometer periodicity and can be reversibly transformed into physisorbed graphene in a temperature-controlled process that involves surprisingly few C-Ir bonds. The formation and rupture of these bonds, rather than ripples or strain, are found to profoundly alter the local electronic structure, changing graphene behavior from semimetal to metallic type. The exploitation of such subtle interfacial changes opens new possibilities for tuning the properties of this unique material. (literal)
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