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@ARTICLE{Steinbrecher:281958,
      author       = {Steinbrecher, M. and Sonntag, A. and dos Santos Dias,
                      Manuel and Bouhassoune, M. and Lounis, S. and Wiebe, J. and
                      Wiesendanger, R. and Khajetoorians, A. A.},
      title        = {{A}bsence of a spin-signature from a single {H}o adatom as
                      probed by spin-sensitive tunneling},
      journal      = {Nature Communications},
      volume       = {7},
      issn         = {2041-1723},
      address      = {London},
      publisher    = {Nature Publishing Group},
      reportid     = {FZJ-2016-01602},
      pages        = {10454},
      year         = {2016},
      abstract     = {Whether rare-earth materials can be used as single-atom
                      magnetic memory is an ongoing debate in recent literature.
                      Here we show, by inelastic and spin-resolved scanning
                      tunnelling-based methods, that we observe a strong magnetic
                      signal and excitation from Fe atoms adsorbed on Pt(111), but
                      see no signatures of magnetic excitation or spin-based
                      telegraph noise for Ho atoms. Moreover, we observe that the
                      indirect exchange field produced by a single Ho atom is
                      negligible, as sensed by nearby Fe atoms. We demonstrate,
                      using ab initio methods, that this stems from a
                      comparatively weak coupling of the Ho 4f electrons with both
                      tunnelling electrons and substrate-derived itinerant
                      electrons, making both magnetic coupling and detection very
                      difficult when compared to 3d elements. We discuss these
                      results in the context of ongoing disputes and clarify
                      important controversies.},
      cin          = {IAS-1 / PGI-1 / JARA-FIT},
      ddc          = {500},
      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:000371135900001},
      doi          = {10.1038/ncomms10454},
      url          = {https://juser.fz-juelich.de/record/281958},
}