The nature of the Fe-graphene interface at the nanometer level

Emanuele Cavaliere, Luca Gavioli, Luca Artiglia, Stefano Agnoli, Gaetano Granozzi, M. Cattelan, G. W. Peng, L. Artiglia, A. Barinov, L. T. Roling, M. Favaro, I. Píš, S. Nappini, E. Magnano, F. Bondino, S. Agnoli, M. Mavrikakis, G. Granozzi

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

32 Citazioni (Scopus)

Abstract

The emerging fields of graphene-based magnetic and spintronic devices require a deep understanding of the interface between graphene and ferromagnetic metals. This paper reports a detailed investigation at the nanometer level of the Fe-graphene interface carried out by angle-resolved photoemission, high-resolution photoemission from core levels, near edge X-ray absorption fine structure, scanning tunnelling microscopy and spin polarized density functional theory calculations. Quasi-free-standing graphene was grown on Pt(111), and the iron film was either deposited atop or intercalated beneath graphene. Calculations and experimental results show that iron strongly modifies the graphene band structure and lifts its π band spin degeneracy. © The Royal Society of Chemistry 2015.
Lingua originaleEnglish
pagine (da-a)2450-2460
Numero di pagine11
RivistaNanoscale
Volume7
DOI
Stato di pubblicazionePubblicato - 2015

Keywords

  • Density functional theory
  • High-resolution photoemission
  • Nanometer level
  • Near edge X-ray absorption fine structures
  • Photoemission
  • Quasi-free standing graphene
  • Scanning tunneling microscopy
  • Spin degeneracy
  • Spin-polarized density functional theory
  • Spintronic device, Graphene
  • X ray absorption, Angle-resolved photoemission

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