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@INPROCEEDINGS{Ptter:859530,
      author       = {Pütter, Sabine and Syed Mohd, Amir and Mattauch, Stefan
                      and Brückel, Thomas},
      title        = {{T}he magnetic moment of polycrystalline {C}o thin {F}ilms
                      on {P}t/{M}g{O}(100)},
      reportid     = {FZJ-2019-00382},
      year         = {2018},
      abstract     = {The variation of the magnetic moment of magnetic materials
                      with its dimensionality is a longtime studied issue. In thin
                      films, however, additional effects may come into play, like
                      intermixing and surface roughness. In contrast, a constant
                      magnetic moment of the thin film is often assumed in
                      modelling.With the help of polarised neutron reflectometry
                      (PNR) we study this open question for polycrystalline Co
                      thin films on 20 nm Pt/MgO(001). Sample growth by molecular
                      beam epitaxy and PNR measurements were performed at the
                      Heinz Maier-Leibnitz Zentrum (MLZ) in Garching,
                      Germany.Several Co thin films between 3 and 50 were
                      investigated at room temperature and in saturation under UHV
                      conditions by utilising a special UHV transfer chamber. Our
                      results reveal a vertical depth profile of the magnetic
                      moment of the Co thin film. In fact, the magnetisation is
                      not a constant but smeared out at the edges, due to
                      roughness. The variation of the film thickness reveals the
                      evolution of the magnetic moment which is separated in a
                      bulk and a surface contribution and discussed with respect
                      to published results.Access to PNR measurements and sample
                      preparation with the MBE system is provided to interested
                      people via the MLZ user office system (www.mlz-garching.de)
                      and the nanoscience foundry and fine analysis project
                      (www.nffa.eu) where you can also apply for funding.This
                      project has received funding from the EU’s H2020 research
                      and innovation programme under grant agreement n. 654360.},
      month         = {Sep},
      date          = {2018-09-03},
      organization  = {9th Joint European Magnetic Symposia
                       Conference 2018, Mainz (Germany), 3 Sep
                       2018 - 7 Sep 2018},
      subtyp        = {After Call},
      cin          = {JCNS-FRM-II / PGI-4 / JCNS-2},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)PGI-4-20110106 / I:(DE-Juel1)JCNS-2-20110106},
      pnm          = {6212 - Quantum Condensed Matter: Magnetism,
                      Superconductivity (POF3-621) / 6G15 - FRM II / MLZ
                      (POF3-6G15) / 6G4 - Jülich Centre for Neutron Research
                      (JCNS) (POF3-623) / 524 - Controlling Collective States
                      (POF3-524)},
      pid          = {G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6G15 /
                      G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-524},
      experiment   = {EXP:(DE-MLZ)MARIA-20140101 / EXP:(DE-MLZ)MBE-MLZ-20151210},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://juser.fz-juelich.de/record/859530},
}