Angle-resolved photoemission study of the graphite intercalation compound KC8: A key to graphene

PACS number s : 71.18. y, 79.60. i.-- et al.

Detalles Bibliográficos
Autores: Grüneis, Alexander, Attaccalite, Claudio, Rubio, Angel, Pichler, Thomas
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2009
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/95912
Acceso en línea:http://hdl.handle.net/10261/95912
Access Level:acceso abierto
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spelling Angle-resolved photoemission study of the graphite intercalation compound KC8: A key to grapheneGrüneis, AlexanderAttaccalite, ClaudioRubio, AngelPichler, ThomasPACS number s : 71.18. y, 79.60. i.-- et al.Electrons in isolated graphene layers are a two-dimensional gas of massless Dirac Fermions. In realistic devices, however, the electronic properties are modified by elastic deformations, interlayer coupling and substrate interaction. Here, we unravel the electronic structure of noninteracting, doped graphene layers by revisiting the stage one graphite intercalation compound KC8. To this end we apply angle-resolved photoemission spectroscopy and ab initio calculations. The full experimental dispersion is in excellent agreement with calculations of doped graphene once electron correlations are included at the GW level (Greens function G of the Coulomb interaction W). This highlights that KC8 has negligible interlayer coupling allowing us to access the full experimental Dirac cone.A.G. acknowledges an APART fellowship from the Austrian Academy of Sciences and a Marie Curie Reintegration grant from the EU “ECO-GRAPHENE” . T.P. acknowledges DFG for Project No. PI 440/3/4/5. D.V. acknowledges DFG for Grant No. VY 64/1-1. C.A. and A.R. acknowledge funding by the Spanish MEC Grant No. FIS2007-65702-C02-01 , “Grupos Consolidados UPV/EHU del Gobierno Vasco” Grant No. IT-319-07 , and the European Community through NoE Nanoquanta Grant No. NMP4-CT-2004-500198 , e-I3 ETSF project INFRA-2007-1.2.2: Grant No. 211956 , and SANES Grant No. NMP4-CT-2006-017310 . The computer resources were provided by the Barcelona Supercomputing Center and the Basque Country University UPV/EHU SGIker Arina and ETSF. J.F. acknowledges financial support from the DFG Forschergruppe No. FOR 538 .Peer reviewedAmerican Physical Society201420142009info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/95912reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/EC/FP7/211956info:eu-repo/grantAgreement/EC/FP7/243813http://dx.doi.org/10.1103/PhysRevB.80.075431info:eu-repo/semantics/openAccessoai:digital.csic.es:10261/959122026-05-22T06:33:51Z
dc.title.none.fl_str_mv Angle-resolved photoemission study of the graphite intercalation compound KC8: A key to graphene
title Angle-resolved photoemission study of the graphite intercalation compound KC8: A key to graphene
spellingShingle Angle-resolved photoemission study of the graphite intercalation compound KC8: A key to graphene
Grüneis, Alexander
title_short Angle-resolved photoemission study of the graphite intercalation compound KC8: A key to graphene
title_full Angle-resolved photoemission study of the graphite intercalation compound KC8: A key to graphene
title_fullStr Angle-resolved photoemission study of the graphite intercalation compound KC8: A key to graphene
title_full_unstemmed Angle-resolved photoemission study of the graphite intercalation compound KC8: A key to graphene
title_sort Angle-resolved photoemission study of the graphite intercalation compound KC8: A key to graphene
dc.creator.none.fl_str_mv Grüneis, Alexander
Attaccalite, Claudio
Rubio, Angel
Pichler, Thomas
author Grüneis, Alexander
author_facet Grüneis, Alexander
Attaccalite, Claudio
Rubio, Angel
Pichler, Thomas
author_role author
author2 Attaccalite, Claudio
Rubio, Angel
Pichler, Thomas
author2_role author
author
author
description PACS number s : 71.18. y, 79.60. i.-- et al.
publishDate 2009
dc.date.none.fl_str_mv 2009
2014
2014
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/95912
url http://hdl.handle.net/10261/95912
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/EC/FP7/211956
info:eu-repo/grantAgreement/EC/FP7/243813
http://dx.doi.org/10.1103/PhysRevB.80.075431
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.811543

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