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@ARTICLE{Samanta:878129,
      author       = {Samanta, Kartik and Lezaic, Marjana and Merte, Maximilian
                      and Freimuth, Frank and Blügel, Stefan and Mokrousov,
                      Yuriy},
      title        = {{C}rystal {H}all and crystal magneto-optical effect in thin
                      films of {S}r{R}u{O} 3},
      journal      = {Journal of applied physics},
      volume       = {127},
      number       = {21},
      issn         = {1089-7550},
      address      = {Melville, NY},
      publisher    = {American Inst. of Physics},
      reportid     = {FZJ-2020-02647},
      pages        = {213904},
      year         = {2020},
      abstract     = {Motivated by the recently observed topological Hall effect
                      in ultra-thin films of SrRuO3 (SRO) grown on the SrTiO3
                      [001] substrate, we investigate the magnetic ground state
                      and anomalous Hall response of the SRO ultra-thin films by
                      virtue of spin density functional theory (DFT). Our findings
                      reveal that in the monolayer limit of an SRO film, a large
                      energy splitting of Ru-t2g states stabilizes an
                      anti-ferromagnetic (AFM) insulating magnetic ground state.
                      For the AFM ground state, our Berry curvature calculations
                      predict a large anomalous Hall response upon doping. From
                      the systematic symmetry analysis, we uncover that the large
                      anomalous Hall effect arises due to a combination of broken
                      time-reversal and crystal symmetries caused by the
                      arrangement of non-magnetic atoms (Sr and O) in the SRO
                      monolayer. We identify the emergent Hall effect as a clear
                      manifestation of the so-called crystal Hall effect in
                      terminology of Šmejkal et al., Crystal Hall effect in
                      collinear antiferromagnets (2019), and demonstrate that it
                      persists at finite frequencies, which is the manifestation
                      of the crystal magneto-optical effect. Moreover, we find a
                      colossal dependence of the anomalous Hall effect on the
                      degree of crystal symmetry breaking also in ferromagnetic
                      SRO films, which all together points to an alternative
                      explanation of the emergence of the topological Hall effect
                      observed in this type of systems.},
      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) /
                      Topological transport in real materials from ab initio
                      $(jiff40_20190501)$ / Ab initio study of novel multiferroic
                      materials $(jiff38_20190501)$ / Interface Stabilized
                      Skyrmions in oxide structures for skyrmionics from first
                      principles $(jpgi11_20191101)$},
      pid          = {G:(DE-HGF)POF3-142 / G:(DE-HGF)POF3-143 /
                      $G:(DE-Juel1)jiff40_20190501$ /
                      $G:(DE-Juel1)jiff38_20190501$ /
                      $G:(DE-Juel1)jpgi11_20191101$},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000540686700001},
      doi          = {10.1063/5.0005017},
      url          = {https://juser.fz-juelich.de/record/878129},
}