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@ARTICLE{Jeangros:189443,
      author       = {Jeangros, Q. and Hansen, T. W. and Wagner, J. B. and
                      Dunin-Borkowski, Rafal and Hébert, C. and Van herle, J. and
                      Hessler-Wyser, A.},
      title        = {{O}xidation mechanism of nickel particles studied in an
                      environmental transmission electron microscope},
      journal      = {Acta materialia},
      volume       = {67},
      issn         = {1359-6454},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2015-02610},
      pages        = {362 - 372},
      year         = {2014},
      abstract     = {The oxidation of nickel particles was studied in situ in an
                      environmental transmission electron microscope in 3.2 mbar
                      of O2 between ambient temperature and 600 °C. Several
                      different transmission electron microscopy imaging
                      techniques, electron diffraction and electron energy-loss
                      spectroscopy were used to study the evolution of the
                      microstructure and the local chemical composition of the
                      particles during oxidation. Our results suggest that
                      built-in field effects control the initial stages of
                      oxidation, with randomly oriented NiO crystallites and
                      internal voids then forming as a result of outward diffusion
                      of Ni2+ along NiO grain boundaries, self-diffusion of Ni2+
                      ions and vacancies, growth of NiO grains and nucleation of
                      voids at Ni/NiO interfaces. We also observed the formation
                      of transverse cracks in a growing NiO film in situ in the
                      electron microscope.},
      cin          = {PGI-5},
      ddc          = {670},
      cid          = {I:(DE-Juel1)PGI-5-20110106},
      pnm          = {42G - Peter Grünberg-Centre (PG-C) (POF2-42G41)},
      pid          = {G:(DE-HGF)POF2-42G41},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000333495200031},
      doi          = {10.1016/j.actamat.2013.12.035},
      url          = {https://juser.fz-juelich.de/record/189443},
}