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@ARTICLE{Wetterskog:811504,
      author       = {Wetterskog, Erik and Klapper, Alice and Disch, Sabrina and
                      Josten, Elisabeth and Rücker, Ulrich and Brückel, Thomas
                      and Bergström, Lennart and Salazar-Alvarez, German and
                      Hermann, Raphael},
      title        = {{T}uning the structure and habit of iron oxide
                      mesocrystals},
      journal      = {Nanoscale},
      volume       = {8},
      number       = {34},
      issn         = {2040-3372},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2016-03961},
      pages        = {15571-15580},
      year         = {2016},
      abstract     = {A precise control over the meso- and microstructure of
                      ordered and aligned nanoparticle assemblies, i.e.,
                      mesocrystals, is essential in the quest for exploiting the
                      collective material properties for potential applications.
                      In this work, we produced evaporation-induced self-assembled
                      mesocrystals with different mesostructures and crystal
                      habits based on iron oxide nanocubes by varying the nanocube
                      size and shape and by applying magnetic fields. A full 3D
                      characterization of the mesocrystals was performed using
                      image analysis, high-resolution scanning electron microscopy
                      and Grazing Incidence Small Angle X-ray Scattering (GISAXS).
                      This enabled the structural determination of e.g.
                      multi-domain mesocrystals with complex crystal habits and
                      the quantification of interparticle distances with sub-nm
                      precision. Mesocrystals of small nanocubes (l = 8.6–12.6
                      nm) are isostructural with a body centred tetragonal (bct)
                      lattice whereas assemblies of the largest nanocubes in this
                      study (l = 13.6 nm) additionally form a simple cubic (sc)
                      lattice. The mesocrystal habit can be tuned from a square,
                      hexagonal to star-like and pillar shapes depending on the
                      particle size and shape and the strength of the applied
                      magnetic field. Finally, we outline a qualitative phase
                      diagram of the evaporation-induced self-assembled
                      superparamagnetic iron oxide nanocube mesocrystals based on
                      nanocube edge length and magnetic field strength.},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT},
      ddc          = {600},
      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:000382053300017},
      doi          = {10.1039/C6NR03776C},
      url          = {https://juser.fz-juelich.de/record/811504},
}