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@ARTICLE{Disch:19989,
      author       = {Disch, S. and Wetterskog, E. and Hermann, R. and
                      Wiedenmann, A. and Vainio, U. and Salazar-Alvarez, G. and
                      Bergström, L. and Brückel, T.},
      title        = {{Q}uantitative spatial magnetization distribution in iron
                      oxide nanocubes and nanospheres by polarized small-angle
                      neutron scattering},
      journal      = {New journal of physics},
      volume       = {14},
      issn         = {1367-2630},
      address      = {[Bad Honnef]},
      publisher    = {Dt. Physikalische Ges.},
      reportid     = {PreJuSER-19989},
      pages        = {013025},
      year         = {2012},
      note         = {We acknowledge the ILL, HASYLAB/DESY and APS for the
                      provision of neutron and synchrotron beamtime at D22, B1 and
                      6-ID-D, respectively, and the German National Academic
                      Foundation for financial support (to SD).},
      abstract     = {By means of polarized small-angle neutron scattering, we
                      have resolved the long-standing challenge of determining the
                      magnetization distribution in magnetic nanoparticles in
                      absolute units. The reduced magnetization, localized in
                      non-interacting nanoparticles, indicates strongly particle
                      shape-dependent surface spin canting with a 0.3(1) and
                      0.5(1) nm thick surface shell of reduced magnetization found
                      for similar to 9 nm nanospheres and similar to 8.5 nm
                      nanocubes, respectively. Further, the reduced macroscopic
                      magnetization in nanoparticles results not only from surface
                      spin canting, but also from drastically reduced
                      magnetization inside the uniformly magnetized core as
                      compared to the bulk material. Our microscopic results
                      explain the low macroscopic magnetization commonly found in
                      nanoparticles.},
      keywords     = {J (WoSType)},
      cin          = {PGI-4 / JARA-FIT / JCNS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-4-20110106 / $I:(DE-82)080009_20140620$ /
                      I:(DE-Juel1)JCNS-2-20110106},
      pnm          = {Grundlagen für zukünftige Informationstechnologien /
                      Großgeräte für die Forschung mit Photonen, Neutronen und
                      Ionen (PNI)},
      pid          = {G:(DE-Juel1)FUEK412 / G:(DE-Juel1)FUEK415},
      shelfmark    = {Physics, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000300412700002},
      doi          = {10.1088/1367-2630/14/1/013025},
      url          = {https://juser.fz-juelich.de/record/19989},
}