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@ARTICLE{Schmitz:874873,
      author       = {Schmitz, Markus René and Weber, Alexander and Petracic,
                      Oleg and Waschk, Markus and Zakalek, Paul and Mattauch,
                      Stefan and Koutsioubas, Alexandros and Brückel, Thomas},
      title        = {{S}train and {E}lectric {F}ield {C}ontrol of {M}agnetism in
                      {L}a(1-x){S}rx{M}n{O}3 {T}hin {F}ilms on {F}erroelectric
                      {B}a{T}i{O}3 {S}ubstrates},
      journal      = {New journal of physics},
      volume       = {22},
      issn         = {1367-2630},
      address      = {[},
      publisher    = {IOP73379},
      reportid     = {FZJ-2020-01678},
      pages        = {053018},
      year         = {2020},
      abstract     = {We report on the observation of strain- and
                      magneto-electric coupling in a system consisting of a thin
                      film of ferromagnetic La(1−x)Sr x MnO3 (LSMO, x = 0.5 and
                      0.3) on a ferroelectric BaTiO3 (BTO) substrate. Pronounced
                      magnetization steps occur at the BTO structural phase
                      transitions. We associate these steps with a strain induced
                      change of the magnetic anisotropy. Temperature dependent
                      magneto-electric coupling could be evidenced by the magnetic
                      response to an applied AC electric field in all
                      ferroelectric phases of the BTO substrate. In a DC electric
                      field, the magnetization changes are asymmetric with respect
                      to the polarity. Polarized neutron reflectometry hints to
                      oxygen migration as possible mechanism for this asymmetry.
                      It also reveals strain-induced magnetization changes
                      throughout most of the thickness of 252 Å (x = 0.5) and 360
                      Å (x = 0.3), respectively, of the LSMO layer. We conclude
                      that the change of the magnetization depth profile at the
                      interface as previously proposed by ab initio calculations
                      is not the relevant mechanism. Instead strain, oxygen
                      vacancies and frustration at interfacial steps dominate the
                      magnetic response to an applied electric field},
      cin          = {JCNS-FRM-II / JCNS-2 / MLZ / JCNS-HBS / PGI-4 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106 / I:(DE-588b)4597118-3 /
                      I:(DE-Juel1)JCNS-HBS-20180709 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {524 - Controlling Collective States (POF3-524) / 6212 -
                      Quantum Condensed Matter: Magnetism, Superconductivity
                      (POF3-621) / 6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich
                      Centre for Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-524 / G:(DE-HGF)POF3-6212 /
                      G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)MARIA-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000533348700001},
      doi          = {10.1088/1367-2630/ab8260},
      url          = {https://juser.fz-juelich.de/record/874873},
}