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@ARTICLE{Samanta:890966,
      author       = {Samanta, Kartik and Ležaić, Marjana and Blügel, Stefan
                      and Mokrousov, Yuriy},
      title        = {{T}ailoring the anomalous {H}all effect of {S}r{R}u{O} 3
                      thin films by strain: {A} first principles study},
      journal      = {Journal of applied physics},
      volume       = {129},
      number       = {9},
      issn         = {1089-7550},
      address      = {Melville, NY},
      publisher    = {American Inst. of Physics},
      reportid     = {FZJ-2021-01282},
      pages        = {093904},
      year         = {2021},
      abstract     = {Motivated by the recently observed unconventional Hall
                      effect in ultrathin films of ferromagnetic SrRuO3 (SRO), we
                      investigate the effect of strain-induced oxygen octahedral
                      distortion in the electronic structure and anomalous Hall
                      response of the SRO ultrathin films by virtue of density
                      functional theory calculations. Our findings reveal that the
                      ferromagnetic SRO films grown on SrTiO3 (in-plane strain of
                      $−0.47\%)$ have an orthorhombic (both tilting and
                      rotation) distorted structure, and with an increasing amount
                      of substrate induced compressive strain the octahedral
                      tilting angle is found to be suppressed gradually, with SRO
                      films grown on NdGaO3 (in-plane strain of $−1.7\%)$
                      stabilized in the tetragonal distorted structure (with zero
                      tilting). Our Berry curvature calculations predict a
                      positive value of the anomalous Hall conductivity of
                      +76 S/cm at $−1.7\%$ strain, whereas it is found to be
                      negative (−156 S/cm) at $−0.47\%$ strain. We attribute
                      the found behavior of the anomalous Hall effect to the nodal
                      point dynamics in the electronic structure arising in
                      response to tailoring the oxygen octahedral distortion
                      driven by the substrate induced strain. We also calculate
                      strain-mediated anomalous Hall conductivity as a function of
                      reduced magnetization obtained by scaling down the magnitude
                      of the exchange field inside Ru atoms finding good
                      qualitative agreement with experimental observations, which
                      indicates a strong impact of longitudinal thermal
                      fluctuations of Ru spin moments on the anomalous Hall effect
                      in this system.},
      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          = {521 - Quantum Materials (POF4-521) / Interface Stabilized
                      Skyrmions in oxide structures for skyrmionics from first
                      principles $(jpgi11_20191101)$},
      pid          = {G:(DE-HGF)POF4-521 / $G:(DE-Juel1)jpgi11_20191101$},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000630440500002},
      doi          = {10.1063/5.0043742},
      url          = {https://juser.fz-juelich.de/record/890966},
}