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@ARTICLE{Keunecke:878279,
      author       = {Keunecke, Marius and Lyzwa, Fryderyk and Schwarzbach, Danny
                      and Roddatis, Vladimir and Gauquelin, Nicolas and
                      Müller‐Caspary, Knut and Verbeeck, Johann and Callori,
                      Sara J. and Klose, Frank and Jungbauer, Markus and
                      Moshnyaga, Vasily},
      title        = {{H}igh‐ {T} {C} {I}nterfacial {F}erromagnetism in
                      {S}r{M}n{O} 3 /{L}a{M}n{O} 3 {S}uperlattices},
      journal      = {Advanced functional materials},
      volume       = {30},
      number       = {18},
      issn         = {1616-3028},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2020-02742},
      pages        = {1808270},
      year         = {2020},
      abstract     = {Heterostructures of strongly correlated oxides demonstrate
                      various intriguing and potentially useful interfacial
                      phenomena. LaMnO3/SrMnO3 superlattices are presented
                      showcasing a new high‐temperature ferromagnetic phase with
                      Curie temperature, T C ≈360 K, caused by electron transfer
                      from the surface of the LaMnO3 donor layer into the
                      neighboring SrMnO3 acceptor layer. As a result, the SrMnO3
                      (top)/LaMnO3 (bottom) interface shows an enhancement of the
                      magnetization as depth‐profiled by polarized neutron
                      reflectometry. The length scale of charge transfer, λTF
                      ≈2 unit cells, is obtained from in situ growth monitoring
                      by optical ellipsometry, supported by optical simulations,
                      and further confirmed by high resolution electron microscopy
                      and spectroscopy. A model of the inhomogeneous distribution
                      of electron density in LaMnO3/SrMnO3 layers along the growth
                      direction is concluded to account for a complex interplay
                      between ferromagnetic and antiferromagnetic layers in
                      superlattices.},
      cin          = {ER-C-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ER-C-1-20170209},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000535358900008},
      doi          = {10.1002/adfm.201808270},
      url          = {https://juser.fz-juelich.de/record/878279},
}