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@ARTICLE{Mlynczak:824871,
      author       = {Mlynczak, Ewa and Eschbach, M. and Borek, S. and Minár, J.
                      and Braun, J. and Aguilera, I. and Bihlmayer, G. and
                      Döring, S. and Gehlmann, M. and Gospodarič, P. and Suga,
                      S. and Plucinski, L. and Blügel, S. and Ebert, H. and
                      Schneider, C. M.},
      title        = {{F}ermi {S}urface {M}anipulation by {E}xternal {M}agnetic
                      {F}ield {D}emonstrated for a {P}rototypical {F}erromagnet},
      journal      = {Physical review / X},
      volume       = {6},
      number       = {4},
      issn         = {2160-3308},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2016-07373},
      pages        = {041048},
      year         = {2016},
      abstract     = {We consider the details of the near-surface electronic band
                      structure of a prototypical ferromagnet, Fe(001). Using
                      high-resolution angle-resolved photoemission spectroscopy,
                      we demonstrate openings of the spin-orbit-induced electronic
                      band gaps near the Fermi level. The band gaps, and thus the
                      Fermi surface, can be manipulated by changing the remanent
                      magnetization direction. The effect is of the order of
                      ΔE=100  meV and Δk=0.1  Å−1. We show that the
                      observed dispersions are dominated by the bulk band
                      structure. First-principles calculations and one-step
                      photoemission calculations suggest that the effect is
                      related to changes in the electronic ground state and not
                      caused by the photoemission process itself. The symmetry of
                      the effect indicates that the observed electronic bulk
                      states are influenced by the presence of the surface, which
                      might be understood as related to a Rashba-type effect. By
                      pinpointing the regions in the electronic band structure
                      where the switchable band gaps occur, we demonstrate the
                      significance of spin-orbit interaction even for elements as
                      light as 3d ferromagnets. These results set a new paradigm
                      for the investigations of spin-orbit effects in the
                      spintronic materials. The same methodology could be used in
                      the bottom-up design of the devices based on the switching
                      of spin-orbit gaps such as electric-field control of
                      magnetic anisotropy or tunneling anisotropic
                      magnetoresistance.},
      cin          = {PGI-6 / PGI-1 / IAS-1 / JARA-FIT / JARA-HPC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-6-20110106 / I:(DE-Juel1)PGI-1-20110106 /
                      I:(DE-Juel1)IAS-1-20090406 / $I:(DE-82)080009_20140620$ /
                      $I:(DE-82)080012_20140620$},
      pnm          = {142 - Controlling Spin-Based Phenomena (POF3-142) / 143 -
                      Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-142 / G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000389576800002},
      doi          = {10.1103/PhysRevX.6.041048},
      url          = {https://juser.fz-juelich.de/record/824871},
}