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@ARTICLE{Kyrey:888506,
      author       = {Kyrey, Tetyana and Ganeva, Marina and Witte, Judith and von
                      Klitzing, Regine and Wellert, Stefan and Holderer, Olaf},
      title        = {{U}nderstanding near-surface polymer dynamics by a
                      combination of grazing-incidence neutron scattering and
                      virtual experiments},
      journal      = {Journal of applied crystallography},
      volume       = {54},
      number       = {1},
      issn         = {1600-5767},
      address      = {[S.l.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {FZJ-2020-04970},
      pages        = {},
      year         = {2021},
      abstract     = {Neutron spin-echo spectroscopy is a unique experimental
                      method for the investigation of polymer dynamics. The
                      combination of neutron spin-echo spectroscopy with
                      grazing-incidence geometry (GINSES) opens the possibility to
                      probe the dynamics of soft-matter materials in the vicinity
                      of the solid substrate in the time range up to 100 ns.
                      However, the usage of the GINSES technique has some
                      peculiarities and, due to the novelty of the method and
                      complexity of the scattering geometry, difficulties in
                      further data analysis occur. The current work discusses how
                      virtual experiments within the distorted-wave Born
                      approximation using the BornAgain software can improve
                      GINSES data treatment and aid the understanding of polymer
                      dynamics in the vicinity of the solid surface. With two
                      examples, poly(N-isopropyl acrylamide) brushes and
                      poly(ethylene glycol) microgels on Si surfaces, the
                      simulation as well as the application of the simulation to
                      the GINSES data analysis are presented. The approach allowed
                      a deeper insight to be gained of the background effect and
                      scattering contribution of different layers.},
      cin          = {JCNS-FRM-II / JCNS-4 / JCNS-1 / MLZ},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-4-20201012 / I:(DE-Juel1)JCNS-1-20110106 /
                      I:(DE-588b)4597118-3},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
                      (POF4-6G4) / 623 - Data Management and Analysis (POF4-623) /
                      DFG project 290879244 - Grenzflächennahe Dynamik nicht
                      quervernetzter und quervernetzter Polymerarchitekturen auf
                      festen planaren Oberflächen},
      pid          = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-623 /
                      G:(GEPRIS)290879244},
      experiment   = {EXP:(DE-MLZ)J-NSE-20140101 / EXP:(DE-MLZ)SCG-20150203},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000613988600009},
      doi          = {10.1107/S1600576720014739},
      url          = {https://juser.fz-juelich.de/record/888506},
}