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@ARTICLE{Schmitt:863296,
      author       = {Schmitt, Martin and Moras, Paolo and Bihlmayer, Gustav and
                      Cotsakis, Ryan and Vogt, Matthias and Kemmer, Jeannette and
                      Belabbes, Abderrezak and Sheverdyaeva, Polina M. and Kundu,
                      Asish K. and Carbone, Carlo and Blügel, Stefan and Bode,
                      Matthias},
      title        = {{I}ndirect chiral magnetic exchange through
                      {D}zyaloshinskii–{M}oriya-enhanced {RKKY} interactions in
                      manganese oxide chains on {I}r(100)},
      journal      = {Nature Communications},
      volume       = {10},
      number       = {1},
      issn         = {2041-1723},
      address      = {[London]},
      publisher    = {Nature Publishing Group UK},
      reportid     = {FZJ-2019-03383},
      pages        = {2610},
      year         = {2019},
      abstract     = {Localized electron spins can couple magnetically via the
                      Ruderman–Kittel–Kasuya–Yosida interaction even if
                      their wave functions lack direct overlap. Theory predicts
                      that spin–orbit scattering leads to a
                      Dzyaloshinskii–Moriya type enhancement of this indirect
                      exchange interaction, giving rise to chiral exchange terms.
                      Here we present a combined spin-polarized scanning tunneling
                      microscopy, angle-resolved photoemission, and density
                      functional theory study of MnO2 chains on Ir(100). Whereas
                      we find antiferromagnetic Mn–Mn coupling along the chain,
                      the inter-chain coupling across the non-magnetic Ir
                      substrate turns out to be chiral with a 120° rotation
                      between adjacent MnO2 chains. Calculations reveal that the
                      Dzyaloshinskii–Moriya interaction results in spin spirals
                      with a periodicity in agreement with experiment. Our
                      findings confirm the existence of indirect chiral magnetic
                      exchange, potentially giving rise to exotic phenomena, such
                      as chiral spin-liquid states in spin ice systems or the
                      emergence of new quasiparticles.},
      cin          = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
      ddc          = {500},
      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},
      pubmed       = {pmid:31197169},
      UT           = {WOS:000471227300013},
      doi          = {10.1038/s41467-019-10515-3},
      url          = {https://juser.fz-juelich.de/record/863296},
}