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@ARTICLE{Chen:885879,
      author       = {Chen, Gong and Mascaraque, Arantzazu and Jia, Hongying and
                      Zimmermann, Bernd and Robertson, MacCallum and Conte,
                      Roberto Lo and Hoffmann, Markus and González Barrio, Miguel
                      Angel and Ding, Haifeng and Wiesendanger, Roland and Michel,
                      Enrique G. and Blügel, Stefan and Schmid, Andreas K. and
                      Liu, Kai},
      title        = {{L}arge {D}zyaloshinskii-{M}oriya interaction induced by
                      chemisorbed oxygen on a ferromagnet surface},
      journal      = {Science advances},
      volume       = {6},
      number       = {33},
      issn         = {2375-2548},
      address      = {Washington, DC [u.a.]},
      publisher    = {Assoc.},
      reportid     = {FZJ-2020-04155},
      pages        = {eaba4924},
      year         = {2020},
      abstract     = {he Dzyaloshinskii-Moriya interaction (DMI) is an
                      antisymmetric exchange interaction that stabilizes chiral
                      spin textures. It is induced by inversion symmetry breaking
                      in noncentrosymmetric lattices or at interfaces. Recently,
                      interfacial DMI has been found in magnetic layers adjacent
                      to transition metals due to the spin-orbit coupling and at
                      interfaces with graphene due to the Rashba effect. We report
                      direct observation of strong DMI induced by chemisorption of
                      oxygen on a ferromagnetic layer at room temperature. The
                      sign of this DMI and its unexpectedly large
                      magnitude—despite the low atomic number of oxygen—are
                      derived by examining the oxygen coverage–dependent
                      evolution of magnetic chirality. We find that DMI at the
                      oxygen/ferromagnet interface is comparable to those at
                      ferromagnet/transition metal interfaces; it has enabled
                      direct tailoring of skyrmion’s winding number at room
                      temperature via oxygen chemisorption. This result extends
                      the understanding of the DMI, opening up opportunities for
                      the chemisorption-related design of spin-orbitronic
                      devices.},
      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) /
                      Systematic investigation of magnetic thin films and
                      multi-layers - towards sub-10nm skyrmions for future data
                      storage devices $(jara0197_20191101)$},
      pid          = {G:(DE-HGF)POF3-142 / G:(DE-HGF)POF3-143 /
                      $G:(DE-Juel1)jara0197_20191101$},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32851165},
      UT           = {WOS:000560465800015},
      doi          = {10.1126/sciadv.aba4924},
      url          = {https://juser.fz-juelich.de/record/885879},
}