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@ARTICLE{SchmitzAntoniak:842579,
      author       = {Schmitz-Antoniak, Carolin and Schmitz, Detlef and Warland,
                      Anne and Darbandi, Masih and Haldar, Soumyajyoti and
                      Bhandary, Sumanta and Sanyal, Biplab and Eriksson, Olle and
                      Wende, Heiko},
      title        = {{S}uppression of the {V}erwey {T}ransition by {C}harge
                      {T}rapping},
      journal      = {Annalen der Physik},
      volume       = {530},
      number       = {3},
      issn         = {0003-3804},
      address      = {Berlin},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2018-00792},
      pages        = {1700363},
      year         = {2018},
      note         = {Online First},
      abstract     = {The Verwey transition in Fe3O4 nanoparticles with a mean
                      diameter of 6.3 nm is suppressed after capping the particles
                      with a 3.5 nm thick shell of SiO2. By X‐ray absorption
                      spectroscopy and its associated X‐ray magnetic circular
                      dichroism this suppression can be correlated to localized
                      Fe2+ states and a reduced double exchange visible in
                      different site‐specific magnetization behavior in high
                      magnetic fields. The results are discussed in terms of
                      charge trapping at defects in the Fe3O4/ SiO2 interface and
                      the consequent difficulties in the formation of the common
                      phases of Fe3O4. By comparison to X‐ray absorption spectra
                      of bare Fe3O4 nanoparticles in course of the Verwey
                      transition, particular changes in the spectral shape could
                      be correlated to changes in the number of unoccupied d
                      states for Fe ions at different lattice sites. These
                      findings are supported by density functional theory
                      calculations.},
      cin          = {PGI-6},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-6-20110106},
      pnm          = {522 - Controlling Spin-Based Phenomena (POF3-522)},
      pid          = {G:(DE-HGF)POF3-522},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000428350500010},
      doi          = {10.1002/andp.201700363},
      url          = {https://juser.fz-juelich.de/record/842579},
}