Size-dependent alternation of magnetoresistive properties in atomic chains

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buir.contributor.authorÇıracı, Salim
buir.contributor.authorDurgun, Engin
buir.contributor.orcidÇıracı, Salim|0000-0001-8023-9860
dc.citation.epage121102-4en_US
dc.citation.issueNumber12en_US
dc.citation.spage121102-1en_US
dc.citation.volumeNumber125en_US
dc.contributor.authorDurgun, Enginen_US
dc.contributor.authorSenger, R. T.en_US
dc.contributor.authorMehrez, H.en_US
dc.contributor.authorSevinçli, H.en_US
dc.contributor.authorÇıracı, Salimen_US
dc.date.accessioned2016-02-08T10:17:45Z
dc.date.available2016-02-08T10:17:45Z
dc.date.issued2006en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractSpin-polarized electronic and transport properties of carbon atomic chains are investigated when they are capped with magnetic transition-metal (TM) atoms like Cr or Co. The magnetic ground state of the TM-C n-TM chains alternates between the ferromagnetic (F) and antiferromagnetic (AF) spin configurations as a function of n. In view of the nanoscale spintronic device applications the desirable AF state is obtained for only even-n chains with Cr; conversely only odd-n chains with Co have AF ground states. When connected to appropriate metallic electrodes these atomic chains display a strong spin-valve effect. Analysis of structural, electronic, and magnetic properties of these atomic chains, as well as the indirect exchange coupling of the TM atoms through non-magnetic carbon atoms are presented.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T10:17:45Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2006en
dc.identifier.doi10.1063/1.2354080en_US
dc.identifier.issn0021-9606
dc.identifier.urihttp://hdl.handle.net/11693/23697
dc.language.isoEnglishen_US
dc.publisherAmerican Institute of Physicsen_US
dc.relation.isversionofhttp://dx.doi.org/10.1063/1.2354080en_US
dc.source.titleJournal of Chemical Physicsen_US
dc.subjectAtomic chainsen_US
dc.subjectIndirect exchange couplingen_US
dc.subjectMetallic electrodesen_US
dc.subjectSpintronic devicesen_US
dc.subjectAntiferromagnetismen_US
dc.subjectElectronic propertiesen_US
dc.subjectFerromagnetismen_US
dc.subjectGround stateen_US
dc.subjectMagnetic couplingsen_US
dc.subjectMagnetoresistanceen_US
dc.subjectTransport propertiesen_US
dc.subjectCrystal atomic structureen_US
dc.titleSize-dependent alternation of magnetoresistive properties in atomic chainsen_US
dc.typeArticleen_US

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