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@ARTICLE{Romming:858674,
      author       = {Romming, Niklas and Pralow, Henning and Kubetzka, André
                      and Hoffmann, Markus and von Malottki, Stephan and Meyer,
                      Sebastian and Dupé, Bertrand and Wiesendanger, Roland and
                      von Bergmann, Kirsten and Heinze, Stefan},
      title        = {{C}ompetition of {D}zyaloshinskii-{M}oriya and
                      {H}igher-{O}rder {E}xchange {I}nteractions in {R}h/{F}e
                      {A}tomic {B}ilayers on {I}r(111)},
      journal      = {Physical review letters},
      volume       = {120},
      number       = {20},
      issn         = {1079-7114},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2018-07519},
      pages        = {207201},
      year         = {2018},
      abstract     = {Using spin-polarized scanning tunneling microscopy and
                      density functional theory we demonstrate the occurrence of a
                      novel type of noncollinear spin structure in Rh/Fe atomic
                      bilayers on Ir(111). We find that higher-order exchange
                      interactions depend sensitively on the stacking sequence.
                      For fcc-Rh/Fe/Ir(111), frustrated exchange interactions are
                      dominant and lead to the formation of a spin spiral ground
                      state with a period of about 1.5 nm. For hcp-Rh/Fe/Ir(111),
                      higher-order exchange interactions favor an up-up-down-down
                      (↑↑↓↓) state. However, the Dzyaloshinskii-Moriya
                      interaction at the Fe/Ir interface leads to a small angle of
                      about 4° between adjacent magnetic moments resulting in a
                      canted ↑↑↓↓ ground state.},
      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},
      pubmed       = {pmid:29864327},
      UT           = {WOS:000432992600006},
      doi          = {10.1103/PhysRevLett.120.207201},
      url          = {https://juser.fz-juelich.de/record/858674},
}