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@ARTICLE{Shiratori:49227,
      author       = {Shiratori, Yu. and Tietz, F. and Penkalla, H.-J. and He, J.
                      Q. and Shiratori, Yo. and Stöver, D.},
      title        = {{I}nfluence of impurities on the conductivity of composites
                      in the system (3{YSZ})1-x-({M}g{O})x},
      journal      = {Journal of power sources},
      volume       = {148},
      issn         = {0378-7753},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {PreJuSER-49227},
      pages        = {32 - 42},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {(3YSZ)(1-x)-(MgO)(x) form composites above x = 0.15, which
                      consist of stabilized-zirconia and magnesia. Electrical
                      conductivities of the two-phase composites were measured by
                      the four-probe DC technique. Negative influences of
                      impurities such as SiO2 on the conductivity are discussed
                      with the aid of microstructural investigations using SEM and
                      TEM. In the investigated composites, the impurities do not
                      directly affect the electrical conduction as current
                      blockers at grain boundaries as usually observed in pure YSZ
                      electrolytes. Microstructural investigation using HRTEM
                      revealed that grain boundaries of the stabilized zirconia
                      are very clean because the silicon and aluminum oxide
                      impurities react with MgO to form discrete Mg2SiO4 and
                      MgAl2O4 grains in the electrolytes, respectively. A
                      theoretical approach taking into consideration continuous
                      volumes of existing phases reveals that the conductivity of
                      the two-phase composites depends on the phase continuity.
                      The reduction of the continuity of the zirconia phase is the
                      main reason for the decrease of conductivity in the present
                      system. (c) 2005 Elsevier B.V. All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {IFF-IEM / IWV-1 / IWV-2},
      ddc          = {620},
      cid          = {I:(DE-Juel1)VDB321 / I:(DE-Juel1)VDB5 / I:(DE-Juel1)VDB2},
      pnm          = {Brennstoffzelle / SOFC - Solid Oxide Fuel Cell
                      (SOFC-20140602)},
      pid          = {G:(DE-Juel1)FUEK246 / G:(DE-Juel1)SOFC-20140602},
      shelfmark    = {Electrochemistry / Energy $\&$ Fuels},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000232743600005},
      doi          = {10.1016/j.jpowsour.2005.01.036},
      url          = {https://juser.fz-juelich.de/record/49227},
}