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@ARTICLE{Herlitschke:809739,
      author       = {Herlitschke, Marcus and Disch, S. and Sergueev, I. and
                      Schlage, K. and Wetterskog, E. and Bergström, L. and
                      Hermann, Raphael},
      title        = {{S}pin disorder in maghemite nanoparticles investigated
                      using polarized neutrons and nuclear resonant scattering},
      journal      = {Journal of physics / Conference Series},
      volume       = {711},
      issn         = {1742-6596},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2016-02666},
      pages        = {012002 -},
      year         = {2016},
      abstract     = {The manuscript reports the investigation of spin disorder
                      in maghemite nanoparticles of different shape by a
                      combination of polarized small-angle neutron scattering
                      (SANSPOL) and nuclear forward scattering (NFS) techniques.
                      Both methods are sensitive to magnetization on the
                      nanoscale. SANSPOL allows for investigation of the particle
                      morphology and spatial magnetization distribution and NFS
                      extends this nanoscale information to the atomic scale,
                      namely the orientation of the hyperfine field experienced by
                      the iron nuclei. The studied nanospheres and nanocubes with
                      diameters of 7.4 nm and 10.6 nm, respectively, exhibit a
                      significant spin disorder. This effect leads to a reduction
                      of the magnetization to $44\%$ and $58\%$ of the theoretical
                      maghemite bulk value, observed consistently by both
                      techniques.},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {144 - Controlling Collective States (POF3-144) / 524 -
                      Controlling Collective States (POF3-524) / 6212 - Quantum
                      Condensed Matter: Magnetism, Superconductivity (POF3-621) /
                      6213 - Materials and Processes for Energy and Transport
                      Technologies (POF3-621) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-524 /
                      G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6213 /
                      G:(DE-HGF)POF3-6G4},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000376006000002},
      doi          = {10.1088/1742-6596/711/1/012002},
      url          = {https://juser.fz-juelich.de/record/809739},
}