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@ARTICLE{Jourdan:300107,
      author       = {Jourdan, M. and Minár, J. and Braun, J. and Kronenberg, A.
                      and Chadov, S. and Balke, B. and Gloskovskii, A. and Kolbe,
                      M. and Elmers, H. J. and Schönhense, G. and Ebert, H. and
                      Felser, C. and Kläui, M.},
      title        = {{D}irect observation of half-metallicity in the {H}eusler
                      compound ${C}o_{2}{M}n{S}i$},
      journal      = {Nature Communications},
      volume       = {5},
      issn         = {2041-1723},
      address      = {London},
      publisher    = {Nature Publishing Group},
      reportid     = {PUBDB-2016-02162},
      pages        = {3974},
      year         = {2014},
      abstract     = {Ferromagnetic thin films of Heusler compounds are highly
                      relevant for spintronic applications owing to their
                      predicted half-metallicity, that is, $100\%$ spin
                      polarization at the Fermi energy. However, experimental
                      evidence for this property is scarce. Here we investigate
                      epitaxial thin films of the compound Co2MnSi in situ by
                      ultraviolet-photoemission spectroscopy, taking advantage of
                      a novel multi-channel spin filter. By this surface sensitive
                      method, an exceptionally large spin polarization of
                      $(93^{+7}_{-11})$ $\%$ at room temperature is observed
                      directly. As a more bulk sensitive method, additional ex
                      situ spin-integrated high energy X-ray photoemission
                      spectroscopy experiments are performed. All experimental
                      results are compared with advanced band structure and
                      photoemission calculations which include surface effects.
                      Excellent agreement is obtained with calculations, which
                      show a highly spin polarized bulk-like surface resonance
                      ingrained in a half metallic bulk band structure.},
      cin          = {FS-PEX},
      ddc          = {500},
      cid          = {I:(DE-H253)FS-PEX-20130206},
      pnm          = {6214 - Nanoscience and Materials for Information Technology
                      (POF3-621)},
      pid          = {G:(DE-HGF)POF3-6214},
      experiment   = {EXP:(DE-H253)P-P09-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000337540400001},
      pubmed       = {pmid:24875774},
      doi          = {10.1038/ncomms4974},
      url          = {https://bib-pubdb1.desy.de/record/300107},
}