Spintronic properties of zigzag-edged triangular graphene flakes

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buir.contributor.authorÇıracı, Salim
buir.contributor.orcidÇıracı, Salim|0000-0001-8023-9860
dc.citation.epage074301-5en_US
dc.citation.issueNumber7en_US
dc.citation.spage074301-1en_US
dc.citation.volumeNumber108en_US
dc.contributor.authorŞahin, H.en_US
dc.contributor.authorSenger, R. T.en_US
dc.contributor.authorÇıracı, Salimen_US
dc.date.accessioned2016-02-08T09:56:43Z
dc.date.available2016-02-08T09:56:43Z
dc.date.issued2010en_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractWe investigate quantum transport properties of triangular graphene flakes with zigzag edges by using first principles calculations. Triangular graphene flakes have large magnetic moments which vary with the number of hydrogen atoms terminating its edge atoms and scale with its size. Electronic transmission and current-voltage characteristics of these flakes, when contacted with metallic electrodes, reveal spin valve and remarkable rectification features. The transition from ferromagnetic to antiferromagnetic state under bias voltage can, however, terminate the spin polarizing effects for specific flakes. Geometry and size dependent transport properties of graphene flakes may be crucial for spintronic nanodevice applications.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T09:56:43Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2010en
dc.identifier.doi10.1063/1.3489919en_US
dc.identifier.issn1089-7550
dc.identifier.urihttp://hdl.handle.net/11693/22191
dc.language.isoEnglishen_US
dc.publisherAIP Publishing LLCen_US
dc.relation.isversionofhttp://dx.doi.org/10.1063/1.3489919en_US
dc.source.titleJournal of Applied Physicsen_US
dc.subjectAntiferromagnetic stateen_US
dc.subjectEdge-atomsen_US
dc.subjectElectronic transmissionsen_US
dc.subjectFirst-principles calculationen_US
dc.subjectHydrogen atomsen_US
dc.subjectMetallic electrodesen_US
dc.subjectNanodevice applicationsen_US
dc.subjectQuantum transport propertiesen_US
dc.subjectSize dependenten_US
dc.subjectSpin valveen_US
dc.subjectSpintronicsen_US
dc.subjectZigzag edgesen_US
dc.subjectAntiferromagnetismen_US
dc.subjectElectric rectifiersen_US
dc.subjectGrapheneen_US
dc.subjectMagnetic momentsen_US
dc.subjectQuantum chemistryen_US
dc.subjectQuantum electronicsen_US
dc.subjectReaction kineticsen_US
dc.subjectTransport propertiesen_US
dc.subjectCurrent voltage characteristicsen_US
dc.titleSpintronic properties of zigzag-edged triangular graphene flakesen_US
dc.typeArticleen_US

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Institute of Materials Science and Nanotechnology (UNAM)
Department of Physics