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@ARTICLE{Jin:819349,
      author       = {Jin, Lei and Jia, Chun-Lin and Lindfors-Vrejoiu, Ionela and
                      Zhong, Xiaoyan and Du, Hongchu and Dunin-Borkowski, Rafal},
      title        = {{D}irect {D}emonstration of a {M}agnetic {D}ead {L}ayer
                      {R}esulting from {A}-{S}ite {C}ation {I}nhomogeneity in a
                      ({L}a,{S}r){M}n{O} $_{3}$ {E}pitaxial {F}ilm {S}ystem},
      journal      = {Advanced materials interfaces},
      volume       = {3},
      number       = {18},
      issn         = {2196-7350},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2016-05044},
      pages        = {1600414 -},
      year         = {2016},
      abstract     = {The degradation of the functional properties of epitaxial
                      oxide films and the performance of related devices have
                      often been attributed to the presence of so-called
                      interfacial “dead layers”. Extensive efforts have been
                      made to understand the origin of such dead layers and to
                      avoid their formation. However, the results of these efforts
                      have not been fully satisfactory, largely as a result of the
                      complex origin of dead layers. Here, the dead layer is
                      studied in a sample that contains hillocks of nominally
                      La0.7Sr0.3MnO3 (LSMO) sandwiched between a ferroelectric
                      PbTiO3 film and a Nb-doped SrTiO3 substrate using
                      aberration-corrected (scanning) transmission electron
                      microscopy, nanobeam electron magnetic circular dichroism
                      spectroscopy, and related techniques. The results here
                      reveal the presence of a 5 nm thick layer in the LSMO
                      hillocks, close to the LSMO/Nb-SrTiO3 interface, which
                      exhibits distinct structural and physical properties. The
                      atomic, electronic, and magnetic structures and local
                      chemistry of the interfacial layer are determined. It is
                      found that octahedral rotations are suppressed in ultrathin
                      regions at the edges of the hillocks, providing evidence for
                      a strong effect of the adjacent Nb-SrTiO3 and PbTiO3. The
                      formation of the dead layer is discussed in the light of
                      lattice strain and valence changes of Mn ions.},
      cin          = {PGI-5},
      ddc          = {540},
      cid          = {I:(DE-Juel1)PGI-5-20110106},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000386055800017},
      doi          = {10.1002/admi.201600414},
      url          = {https://juser.fz-juelich.de/record/819349},
}