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@ARTICLE{Korte:908220,
      author       = {Korte, Carsten and Franz, Bernhard},
      title        = {{R}eaction kinetics in the system {Y}2{O}3/{A}l2{O}3 –
                      {U}se of an external electric field to control the product
                      phase formation in a system forming multiple product phases},
      journal      = {Solid state ionics},
      volume       = {383},
      issn         = {0167-2738},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2022-02471},
      pages        = {115978 -},
      year         = {2022},
      abstract     = {This study investigates the influence of an external
                      electric field on the kinetics of a heterogeneous solid
                      state reaction between Al2O3 and Y2O3. The reaction couples
                      were prepared by means of pulsed laser deposition (PLD) by
                      growing Y2O3 films on single crystalline alumina substrates
                      with an (0001) orientation. The solid state reaction was
                      performed at a temperature of 1400° (1673 K). Utilising
                      attached platinum electrodes, an electric field of 350 V/mm
                      was applied. The superposed field led to an ionic current
                      through the reacting sample and modifies the individual
                      growth kinetics of the three product phases/layers, Y3Al5O12
                      (YAG), YAlO3 (YAP) and Y4Al2O9 (YAM) The cross-sections of
                      the reacted samples were characterised by means of SEM and
                      XRD. Depending on the direction of the ionic current, the
                      kinetics of the YAP phase formation in particular was
                      strongly influenced. The general kinetics of a solid state
                      reaction forming multiple product phases was analysed using
                      linear transport theory. The effect of an electric field for
                      controlling the product phase formation to prefer or to
                      kinetically suppress the formation of a distinct phase is
                      demonstrated.},
      cin          = {IEK-14},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-14-20191129},
      pnm          = {1231 - Electrochemistry for Hydrogen (POF4-123)},
      pid          = {G:(DE-HGF)POF4-1231},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000822940400001},
      doi          = {10.1016/j.ssi.2022.115978},
      url          = {https://juser.fz-juelich.de/record/908220},
}