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@ARTICLE{Legrand:906411,
      author       = {Legrand, William and Sassi, Yanis and Ajejas, Fernando and
                      Collin, Sophie and Bocher, Laura and Jia, Hongying and
                      Hoffmann, Markus and Zimmermann, Bernd and Blügel, Stefan
                      and Reyren, Nicolas and Cros, Vincent and Thiaville, André},
      title        = {{S}patial extent of the {D}zyaloshinskii-{M}oriya
                      interaction at metallic interfaces},
      journal      = {Physical review materials},
      volume       = {6},
      number       = {2},
      issn         = {2475-9953},
      address      = {College Park, MD},
      publisher    = {APS},
      reportid     = {FZJ-2022-01425},
      pages        = {024408},
      year         = {2022},
      abstract     = {We experimentally investigate the range of the
                      Dzyaloshinskii-Moriya interaction (DMI) occurring at
                      magnetic interfaces within metallic heterostructures. To
                      this aim we perform Brillouin light scattering spectroscopy
                      on a set of Co-based, asymmetric metallic heterostructures,
                      incorporating atomically thin continuous films obtained by
                      room-temperature sputtering, and of identical orientation
                      and quality. We thus get access to the intrinsic dependence
                      of the interfacial DMI and other magnetic interactions on
                      the thickness of the nonmagnetic layer adjacent to Co, which
                      is chosen among Pt, Ru, and Au. Notably, we observe that a
                      robust DMI is already generated by as few as two atomic
                      planes of Pt and that interfacial DMI can be efficiently
                      suppressed by a dusting of Ru equivalent to a single atomic
                      plane coverage. These results point directly towards a
                      mechanism where DMI is generated within the two first atomic
                      planes away from the interface, in agreement with
                      first-principles calculations. This locally generated DMI
                      is, however, likely to be modulated by more distant atoms in
                      the case of strain effects. The short-range aspect of the
                      interfacial DMI opens up the synthesis of dense magnetic
                      multilayers, allowing for a strong interfacial DMI even with
                      very thin layers, which can be further tuned by strain
                      engineering.},
      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          = {5211 - Topological Matter (POF4-521)},
      pid          = {G:(DE-HGF)POF4-5211},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000761411000001},
      doi          = {10.1103/PhysRevMaterials.6.024408},
      url          = {https://juser.fz-juelich.de/record/906411},
}