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@ARTICLE{Suchomski:301703,
      author       = {Suchomski, Christian and Reitz, Christian and Pajic, Damir
                      and Jaglicic, Zvonko and Djerdj, Igor and Brezesinski,
                      Torsten},
      title        = {{L}arge-{P}ore {M}esoporous ${H}o_{3}{F}e_{5}{O}_{12}$
                      {T}hin {F}ilms with a {S}trong {R}oom-{T}emperature
                      {P}erpendicular {M}agnetic {A}nisotropy by {S}ol–{G}el
                      {P}rocessing},
      journal      = {Chemistry of materials},
      volume       = {26},
      number       = {7},
      issn         = {1520-5002},
      address      = {Washington, DC},
      publisher    = {American Chemical Society},
      reportid     = {PUBDB-2016-02805},
      pages        = {2337 - 2343},
      year         = {2014},
      note         = {(c) American Chemical Society},
      abstract     = {We report the evaporation-induced self-assembly synthesis
                      of large-pore mesoporous thin films of ferrimagnetic holmium
                      iron garnet($Ho_3Fe_5O_{12}$) from nitrate salt precursors
                      and a polyisobutylene-blockpoly(ethylene oxide) polymer
                      structure-directing agent. The phase composition, atomic
                      bonding configuration, and pore structure of the top surface
                      and the interior of the films were investigated by
                      microscopy, scattering, and spectroscopy techniques,
                      including synchrotron-based grazing incidence small-angle
                      X-ray scattering, X-ray photoelectron spectroscopy, X-ray
                      diffraction (including Rietveld refinement), and others. The
                      data provide evidence that the sol−gelderived material is
                      single-phase garnet with 27 nm diameter crystallites and few
                      defects after being heated to 850 °C in air, and the
                      continuous network of pores averaging 23 nm in diameter is
                      preserved to a large extent, despite a solid−solid
                      conversion from metastable h-HoFeO$_3$ to $Ho_3Fe_5O_{12}$
                      during the crystallization process. Furthermore, dc
                      magnetometry measurements show the thin films are
                      magnetically stable with a room-temperature coercivity of
                      ∼170 Oe and exhibit an out-of-plane easy axis with a
                      significant perpendicular magnetic anisotropy. A strong
                      preference for out-of-plane magnetic alignment in
                      solution-processed mesostructured films is unique, making
                      them attractive for application in spintronics and
                      nanomagnetics.},
      cin          = {DOOR},
      ddc          = {540},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {899 - ohne Topic (POF3-899)},
      pid          = {G:(DE-HGF)POF3-899},
      experiment   = {EXP:(DE-H253)D-BW4-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000334572300018},
      doi          = {10.1021/cm5003324},
      url          = {https://bib-pubdb1.desy.de/record/301703},
}