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@INPROCEEDINGS{Schffmann:867751,
      author       = {Schöffmann, Patrick and Pütter, Sabine and Sarkar,
                      Anirban and Syed Mohd, Amir and Waschk, Markus and
                      Bhatnagar, Tanvi and Zakalek, Paul and Brückel, Thomas},
      title        = {{T}opotactic transition mechanisms in
                      {S}r{C}o{O}$_{2.5+𝑥}$ films},
      reportid     = {FZJ-2019-06366},
      year         = {2019},
      abstract     = {Strontium cobaltite (SrCoO3−𝛿) exists in two
                      topotactic phases, depending on the oxygen content. SrCoO3
                      is a ferromagnetic metal (T𝐶=305K) with perovskite
                      structure while SrCoO2.5 is an antiferromagnetic
                      insulator(T𝑁=570K) with brownmillerite structure. Because
                      of the multivalent Co states and high oxygen mobility it is
                      a promising material for energy and information applications
                      [1]. To control the oxygen content, several possibilites
                      exist. We focus on annealing in oxidising conditions and
                      applying variable strain with a piezoelectric substrate to
                      the film. We grow thin films of SrCoO2.5 by molecular beam
                      epitaxy on various substrates including a piezoelectric with
                      a conducting buffer layer. To be able to transfer strain
                      from the substrate to the film, a highsample quality and
                      epitaxy is mandatory, thus we present the results of the
                      film growth and quality, as well as first results of the
                      magnetic characterisation by SQUID and neutron
                      reflectometry. [1] H. Jeen et al., Nature Materials 12,
                      2013},
      month         = {Mar},
      date          = {2019-03-31},
      organization  = {DPG-Frühjahrstagung der Sektion
                       Kondensierte Materie, Regensburg
                       (Germany), 31 Mar 2019 - 5 Apr 2019},
      subtyp        = {After Call},
      cin          = {JCNS-FRM-II / JCNS-2 / ER-C-1 / PGI-4 / MLZ},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)ER-C-1-20170209 /
                      I:(DE-Juel1)PGI-4-20110106 / I:(DE-588b)4597118-3},
      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)MBE-MLZ-20151210},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/867751},
}