title: Observation of Single-Spin Dirac Fermions at the Graphene/Ferromagnet Interface
metadata.name: dc.contributor.author
metadata.value: Usachov, Dmitry
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Fedorov, Alexander
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Otrokov, Mikhail M.
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Chikina, Alla
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Vilkov, Oleg
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Petukhov, Anatoly
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Rybkin, Artem G.
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Koroteev, Yury M.
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Chulkov, Evgueni V.
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Adamchuk, Vera K.
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Grüneis, Alexander
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Laubschat, Clemens
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Vyalikh, Denis V.
metadata.lang: -
metadata.name: dc.date.accessioned
metadata.value: 2015-04-08T13:23:39Z
metadata.lang: -
metadata.name: dc.date.available
metadata.value: 2015-04-08T13:23:39Z
metadata.lang: -
metadata.name: dc.date.issued
metadata.value: 2015-03-04
metadata.lang: -
metadata.name: dc.identifier.issn
metadata.value: 10.1021/nl504693u
metadata.lang: -
metadata.name: dc.identifier.uri
metadata.value: http://hdl.handle.net/11701/1432
metadata.lang: -
metadata.name: dc.description.abstract
metadata.value: With the discovery and first characterization of graphene, its potential for spintronic applications was recognized immediately. Since then, an active field of research has developed trying to overcome the practical hurdles. One of the most severe challenges is to find appropriate interfaces between graphene and ferromagnetic layers, which are granting efficient injection of spin-polarized electrons. Here, we show that graphene grown under appropriate conditions on Co(0001) demonstrates perfect structural properties and simultaneously exhibits highly spin-polarized charge carriers. The latter was conclusively proven by observation of a single-spin Dirac cone near the Fermi level. This was accomplished experimentally using spin- and angle-resolved photoelectron spectroscopy, and theoretically with density functional calculations. Our results demonstrate that the graphene/Co(0001) system represents an interesting candidate for applications in devices using the spin degree of freedom.
metadata.lang: en_GB
metadata.name: dc.description.sponsorship
metadata.value: The authors acknowledge Saint-Petersburg State University for a research Grants 11.37.634.2013 and 11.50.202.2015, RFBR (Grant 14-02-31150), and BMBF (Grant 05K12OD3). A.G. acknowledges support from the ERC Grant Super2D. M.M.O. and E.V.C acknowledge the financial support of the University of Basque Country UPV/EHU (Grant GIC07-IT-756-13) as well as of the Departamento de Educacion del Gobierno Vasco and the Spanish Ministerio de Ciencia e Innovacion (Grant FIS2010-19609-C02-01). We acknowledge Helmholtz Zentrum Berlin für Materialien und Energie for support within bilateral Russian-German Laboratory program.
metadata.lang: en_GB
metadata.name: dc.language.iso
metadata.value: en
metadata.lang: en_GB
metadata.name: dc.subject
metadata.value: Graphene, spin polarization, electronic structure, Dirac cone, spin-resolved ARPES
metadata.lang: en_GB
metadata.name: dc.title
metadata.value: Observation of Single-Spin Dirac Fermions at the Graphene/Ferromagnet Interface
metadata.lang: en_GB
metadata.name: dc.type
metadata.value: Article
metadata.lang: en_GB
resources.filename: 2015_NanoLett_Usachov.pdf
resources.url: https://dspace.spbu.ru/bitstream/11701/1432/1/2015_NanoLett_Usachov.pdf
resources.format: Adobe PDF
resources.description: Article
resources.size: 3,35 MB