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@ARTICLE{Schweflinghaus:281799,
      author       = {Schweflinghaus, Benedikt and dos Santos Dias, Manuel and
                      Lounis, Samir},
      title        = {{O}bserving spin excitations in 3 d transition-metal
                      adatoms on {P}t(111) with inelastic scanning tunneling
                      spectroscopy: {A} first-principles perspective},
      journal      = {Physical review / B},
      volume       = {93},
      number       = {3},
      issn         = {2469-9950},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2016-01468},
      pages        = {035451},
      year         = {2016},
      abstract     = {Spin excitations in atomic-scale nanostructures have been
                      investigated with inelastic scanning tunneling spectroscopy,
                      sometimes with conflicting results. In this work, we present
                      a theoretical viewpoint on a recent experimental controversy
                      regarding the spin excitations of Co adatoms on Pt(111).
                      While one group [Balashov et al., Phys. Rev. Lett. 102,
                      257203 (2009)] claims to have detected them, another group
                      reported their observation only after the hydrogenation of
                      the Co adatom [Dubout et al., Phys. Rev. Lett. 114, 106807
                      (2015)]. Utilizing time-dependent density functional theory
                      in combination with many-body perturbation theory, we
                      demonstrate that, although inelastic spin excitations are
                      possible for Cr, Mn, Fe, and Co adatoms, their efficiency
                      differs. While the excitation signature is less pronounced
                      for Mn and Co adatoms, it is larger for Cr and Fe adatoms.
                      We find that the tunneling matrix elements or the tunneling
                      cross-section related to the nature and symmetry of the
                      relevant electronic states are more favorable for triggering
                      the spin excitations in Fe than in Co. An enhancement of the
                      tunneling and of the inelastic spectra is possible by
                      attaching hydrogen to the adatom at the appropriate
                      position.},
      cin          = {IAS-1 / PGI-1 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {142 - Controlling Spin-Based Phenomena (POF3-142)},
      pid          = {G:(DE-HGF)POF3-142},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000369220400005},
      doi          = {10.1103/PhysRevB.93.035451},
      url          = {https://juser.fz-juelich.de/record/281799},
}