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@ARTICLE{Schmerbauch:186615,
      author       = {Schmerbauch, Christoph and Gonzales, Jesus and Röder and
                      Ronning and Guillon, Olivier},
      title        = {{F}lash {S}intering of {N}anocrystalline {Z}inc {O}xide and
                      its {I}nfluence on {M}icrostructure and {D}efect
                      {F}ormation},
      journal      = {Journal of the American Ceramic Society},
      volume       = {97},
      number       = {6},
      issn         = {0002-7820},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {FZJ-2015-00688},
      pages        = {1728 - 1735},
      year         = {2014},
      abstract     = {We report the sintering behavior of nanocrystalline zinc
                      oxide under external AC electric field between 0 and 160
                      V/cm. In situ acquisition of density by means of laser
                      dilatometry, evaluation of specimen temperature, real-time
                      measurement of electric field and current help analyze this
                      peculiar behavior. Field strength and blocking electrodes
                      significantly affect densification and microstructure, which
                      was evaluated in the vicinity of the flash event and for the
                      fully sintered material. High current densities flow through
                      the sample at high electric fields, entailing a sudden
                      increment of the temperature estimated to several hundreds
                      of K and an exaggerated grain growth. In contrast, low
                      current density flows through the sample at lower electric
                      fields, which guarantees normal grain growth and highest
                      final density. Macroscopic photoluminescence measurements
                      give insights into the development of the defect structure.
                      Electric fields are expected to enhance defect mobility,
                      explaining the high densification rates observed during the
                      sintering process.},
      cin          = {IEK-1},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {899 - ohne Topic (POF2-899)},
      pid          = {G:(DE-HGF)POF2-899},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000337526800010},
      doi          = {10.1111/jace.12972},
      url          = {https://juser.fz-juelich.de/record/186615},
}