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@ARTICLE{Andreyev:53564,
      author       = {Andreyev, O. and Koroteev, Yu. M. and Sánchez Albaneda, M.
                      and Cinchetti, M. and Bihlmayer, G. and Chulkov, E. V. and
                      Lange, J. and Steeb, F. and Bauer, M. and Echenique, P. M.
                      and Blügel, S. and Aeschlimann, M.},
      title        = {{S}pin-resolved two-photon photoemission study of the
                      surface resonance state on {C}o/{C}u(001)},
      journal      = {Physical review / B},
      volume       = {74},
      number       = {19},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-53564},
      pages        = {195416},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Bulk and surface states of a clean and Cs-doped surface of
                      a Co film grown on Cu(001) have been studied by
                      spin-resolved photoemission (SR-PE) and compared with band
                      structure calculation results. One-photon (1PPE) and
                      two-photon (2PPE) photoemission spectra from clean Co films
                      are found to be dominated by a peak located at a binding
                      energy of about 0.4 eV with respect to E-F, which is
                      assigned to the spin up 3d bulk state. Slight Cs-doping of a
                      Co(001) surface shifts an image potential state in resonance
                      with the sp-states of the conduction band. SR-2PPE study of
                      the optically-induced electron population in such an image
                      resonance reveals a strong dependence on the set
                      polarization of the laser light. We are able to directly
                      detect the spin polarization of electrons photoemitted from
                      the image resonance state, which can be varied from
                      highly-polarized (about bulk values) to almost unpolarized
                      when tuning light polarization of the pump laser pulse from
                      s to p.},
      keywords     = {J (WoSType)},
      cin          = {IFF-TH-I / JARA-FIT / JARA-SIM},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB30 / $I:(DE-82)080009_20140620$ /
                      I:(DE-Juel1)VDB1045},
      pnm          = {Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK414},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000242409200134},
      doi          = {10.1103/PhysRevB.74.195416},
      url          = {https://juser.fz-juelich.de/record/53564},
}