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@ARTICLE{Koutsioumpas:862541,
      author       = {Koutsioumpas, Alexandros},
      title        = {{M}odel-independent recovery of interfacial structure from
                      multi-contrast neutron reflectivity data},
      journal      = {Journal of applied crystallography},
      volume       = {52},
      number       = {3},
      issn         = {1600-5767},
      address      = {[S.l.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {FZJ-2019-02835},
      pages        = {10 pages},
      year         = {2019},
      abstract     = {Neutron specular reflectivity at soft interfaces provides
                      sub-nanometre information concerning the molecular
                      distribution of thin films, while the application of
                      contrast variation can highlight the scattering from
                      different parts of the system and lead to an overall
                      reduction in fitting ambiguity. Traditional modelling
                      approaches involve the construction of a trial scattering
                      length density profile based on initial speculation and the
                      subsequent refinement of its parameters through minimization
                      of the discrepancy between the calculated and measured
                      reflectivity. In practice this might produce an artificial
                      bias towards specific sets of solutions. On the other hand,
                      direct inversion of reflectivity data, despite its ability
                      to provide a unique solution, is subject to limitations and
                      experimental complications. Presented here is an integrated
                      indirect Fourier transform/simulated annealing method that,
                      when applied to multiple solvent contrast reflectivity data
                      and within the limits of finite spatial resolution, leads to
                      reliable reconstructions of the interfacial structure
                      without the need for any a priori assumptions. The
                      generality of the method permits its straightforward
                      application in common experimental contrast-variation
                      investigations at the solid/liquid and air/liquid
                      interface.},
      cin          = {JCNS-FRM-II / MLZ / JCNS-2},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3 /
                      I:(DE-Juel1)JCNS-2-20110106},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6G15 - FRM II / MLZ (POF3-6G15) / 6215 - Soft Matter,
                      Health and Life Sciences (POF3-621)},
      pid          = {G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-6G15 /
                      G:(DE-HGF)POF3-6215},
      experiment   = {EXP:(DE-MLZ)MARIA-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000470824800006},
      doi          = {10.1107/S1600576719003534},
      url          = {https://juser.fz-juelich.de/record/862541},
}