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@ARTICLE{Bouaziz:827874,
      author       = {Bouaziz, Juba and dos Santos Dias, Manuel and Ziane,
                      Abdelhamid and Benakki, Mouloud and Blügel, Stefan and
                      Lounis, Samir},
      title        = {{C}hiral magnetism of magnetic adatoms generated by
                      {R}ashba electrons},
      journal      = {New journal of physics},
      volume       = {19},
      number       = {2},
      issn         = {1367-2630},
      address      = {[Bad Honnef]},
      publisher    = {Dt. Physikalische Ges.},
      reportid     = {FZJ-2017-01957},
      pages        = {023010},
      year         = {2017},
      abstract     = {We investigate long-range chiral magnetic interactions
                      among adatoms mediated by surface states spin-splitted by
                      spin–orbit coupling. Using the Rashba model, the tensor of
                      exchange interactions is extracted wherein a
                      thepseudo-dipolar interaction is found, in addition to the
                      usual isotropic exchange interaction and the
                      Dzyaloshinskii–Moriya interaction. We find that, despite
                      the latter interaction, collinear magnetic states can still
                      be stabilized by the pseudo-dipolar interaction. The
                      interadatom distance controls the strength of these terms,
                      which we exploit to design chiral magnetism in Fe
                      nanostructures deposited on a Au(111) surface. We
                      demonstrate that these magnetic interactions are related to
                      superpositions of the out-of-plane and in-plane components
                      of the skyrmionic magnetic waves induced by the adatoms in
                      the surrounding electron gas. We show that, even if the
                      interatomic distance is large, the size and shape of the
                      nanostructures dramatically impacts on the strength of the
                      magnetic interactions, thereby affecting the magnetic ground
                      state. We also derive an appealing connection between the
                      isotropic exchange interaction and the
                      Dzyaloshinskii–Moriya interaction, which relates the
                      latter to the first-order change of the former with respect
                      to spin–orbit coupling. This implies that the chirality
                      defined by the direction of the Dzyaloshinskii–Moriya
                      vector is driven by the variation of the isotropic exchange
                      interaction due to the spin–orbit interaction.},
      cin          = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
                      $I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$},
      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:000405916900006},
      doi          = {10.1088/1367-2630/aa59e8},
      url          = {https://juser.fz-juelich.de/record/827874},
}