Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/43420

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dc.contributor.authorAmorim, B.por
dc.contributor.authorRibeiro, R. M.por
dc.contributor.authorPeres, N. M. R.por
dc.date.accessioned2016-12-13T19:45:06Z-
dc.date.available2016-12-13T19:45:06Z-
dc.date.issued2016-03-14-
dc.identifier.citationAmorim, B., Ribeiro, R. M., & Peres, N. M. R. (2016). Multiple negative differential conductance regions and inelastic phonon assisted tunneling in graphene/h-BN/graphene structures. Physical Review B, 93(23). doi: 10.1103/PhysRevB.93.235403por
dc.identifier.issn2469-9950-
dc.identifier.urihttp://hdl.handle.net/1822/43420-
dc.description.abstractIn this paper we study in detail the effect of the rotational alignment between a hexagonal boron nitride (hBN) slab and the graphene layers in the vertical current of a a graphene-hBN-graphene device. We show how for small rotational angles, the transference of momentum by the hBN crystal lattice leads to multiple peaks in the I-V curve of the device, giving origin to multiple regions displaying negative differential conductance. We also study the effect of scattering by phonons in the vertical current an see how the opening up of inelastic tunneling events allowed by spontaneous emission of optical phonons leads to sharp peaks in the second derivative of the current.por
dc.description.sponsorshipB. Amorim acknowledges financial support from Fundação para a Ciência e a Tecnologia (Portugal), through Grant No. SFRH/BD/78987/2011. R.M. Ribeiro and N.M.R. Peres acknowledge the financial support of EC under Graphene Flagship (Contract No. CNECT-ICT-604391). N. M. R. Peres acknowledges financial support from the FCT project EXPL-FIS-NAN1728-2013.por
dc.language.isoengpor
dc.publisherAmerican Physical Societypor
dc.relationinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F78987%2F2011/PTpor
dc.relationinfo:eu-repo/grantAgreement/EC/FP7/604391/EUpor
dc.relationEXPL-FIS-NAN1728-2013por
dc.rightsopenAccesspor
dc.subjectGraphenepor
dc.subjectPlasmonspor
dc.titleMultiple negative differential conductance regions and inelastic phonon assisted tunneling in graphene-hBN-graphene structurespor
dc.typearticlepor
dc.peerreviewedyespor
sdum.publicationstatusinfo:eu-repo/semantics/publishedVersionpor
oaire.citationIssue23por
oaire.citationVolume93por
dc.identifier.essn2469-9969-
dc.identifier.doi10.1103/PhysRevB.93.235403por
dc.subject.fosCiências Naturais::Ciências Físicaspor
dc.subject.wosScience & Technologypor
sdum.journalPhysical Review Bpor
Appears in Collections:CDF - CEP - Artigos/Papers (with refereeing)

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