title: Switchable graphene-substrate coupling through formation/dissolution of an intercalated Ni-carbide layer.
abstract: Control over the film-substrate interaction is key to the exploitation of graphene's unique electronic properties. Typically, a buffer layer is irreversibly intercalated "from above" to ensure decoupling. For graphene/Ni(111) we instead tune the film interaction "from below". By temperature controlling the formation/dissolution of a carbide layer under rotated graphene domains, we reversibly switch graphene's electronic structure from semi-metallic to metallic. Our results are relevant for the design of controllable graphene/metal interfaces in functional devices.
authors.affiliation: IOM-CNR Laboratorio TASC, Area Science Park, s.s. 14 km 163.5, Basovizza, 34149 Trieste, Italy.
authors.forename: Cristina
authors.initials: C
authors.lastname: Africh
authors.affiliation: IOM-CNR Laboratorio TASC, Area Science Park, s.s. 14 km 163.5, Basovizza, 34149 Trieste, Italy.
authors.forename: Cinzia
authors.initials: C
authors.lastname: Cepek
authors.affiliation: IOM-CNR Laboratorio TASC, Area Science Park, s.s. 14 km 163.5, Basovizza, 34149 Trieste, Italy.|Department of Physics, Università degli Studi di Trieste, via Alfonso Valerio 2, 34127 Trieste, Italy.
authors.forename: Laerte L
authors.initials: LL
authors.lastname: Patera
authors.affiliation: Department of Physics, Università degli Studi di Trieste, via Alfonso Valerio 2, 34127 Trieste, Italy.|Peter Grünberg Institute (PGI-6), Research Center Jülich, 52425 Jülich, Germany.
authors.forename: Giovanni
authors.initials: G
authors.lastname: Zamborlini
authors.affiliation: Department of Physics, Università degli Studi di Milano, Via Celoria 16, 20133 Milano, Italy.
authors.forename: Pietro
authors.initials: P
authors.lastname: Genoni
authors.affiliation: Elettra-Sincrotrone Trieste S.C.p.A., s.s. 14 km 163.5, Basovizza, 34149 Trieste, Italy.
authors.forename: Tevfik O
authors.initials: TO
authors.lastname: Menteş
authors.affiliation: Elettra-Sincrotrone Trieste S.C.p.A., s.s. 14 km 163.5, Basovizza, 34149 Trieste, Italy.
authors.forename: Alessandro
authors.initials: A
authors.lastname: Sala
authors.affiliation: Elettra-Sincrotrone Trieste S.C.p.A., s.s. 14 km 163.5, Basovizza, 34149 Trieste, Italy.
authors.forename: Andrea
authors.initials: A
authors.lastname: Locatelli
authors.affiliation: IOM-CNR Laboratorio TASC, Area Science Park, s.s. 14 km 163.5, Basovizza, 34149 Trieste, Italy.|Department of Physics, Università degli Studi di Trieste, via Alfonso Valerio 2, 34127 Trieste, Italy.|Elettra-Sincrotrone Trieste S.C.p.A., s.s. 14 km 163.5, Basovizza, 34149 Trieste, Italy.
authors.forename: Giovanni
authors.initials: G
authors.lastname: Comelli