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@ARTICLE{Mishra:873679,
      author       = {Mishra, Tarini Prasad and Neto, Rubens Roberto Ingraci and
                      Speranza, Giorgio and Quaranta, Alberto and Sglavo, Vincenzo
                      M. and Raj, Rishi and Guillon, Olivier and Bram, Martin and
                      Biesuz, Mattia},
      title        = {{E}lectronic conductivity in gadolinium doped ceria under
                      direct current as a trigger for flash sintering},
      journal      = {Scripta materialia},
      volume       = {179},
      issn         = {1359-6462},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2020-00908},
      pages        = {55 - 60},
      year         = {2020},
      abstract     = {In this paper, we discuss the progression of flash
                      sintering in $10mol\%$ gadolinium-doped ceria specimens.
                      Flash transition is correlated with the generation of n-type
                      electronic conductivity in air under direct-current bias.
                      Its origin is attributed to partial reduction of the
                      material which propagates from the cathodic-to-anodic
                      region. The phenomenon was observed, in-situ, by monitoring
                      the development of electrochemical blackening during the
                      incubation period of the flash-experiment. Anomalous
                      features, including shift in the valence band edge,
                      shrinkage of the band-gap and change in the oxidation state
                      of Ce in flashed samples was confirmed by X-ray
                      photoelectron spectroscopy and diffuse reflectance
                      measurements.},
      cin          = {IEK-1},
      ddc          = {670},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {899 - ohne Topic (POF3-899) / DFG project 274005202 - SPP
                      1959: Manipulation of matter controlled by electric and
                      magnetic fields: Towards novel synthesis and processing
                      routes of inorganic materials (274005202)},
      pid          = {G:(DE-HGF)POF3-899 / G:(GEPRIS)274005202},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000514758200012},
      doi          = {10.1016/j.scriptamat.2020.01.007},
      url          = {https://juser.fz-juelich.de/record/873679},
}