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@ARTICLE{Schober:29436,
      author       = {Schober, T.},
      title        = {{W}ater vapor solubility and impedance of the high
                      temperature proton conductor {S}r{Z}r0.9{Y}0.1{O}2.95},
      journal      = {Solid state ionics},
      volume       = {145},
      issn         = {0167-2738},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-29436},
      pages        = {319 - 324},
      year         = {2001},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {SrZr0.9Y0.1O2.95 was prepared at rather high sintering
                      temperatures. Thermogravimetry resulted in a maximum proton
                      solubility of about 0.04 mol/mol compound. The standard
                      enthalpy and entropy of the solution process were
                      determined. Impedance results are presented for various gas
                      atmospheres ranging from oxidizing to very reducing, and
                      from dry to very moist. Clear evidence for proton conduction
                      was obtained. The conductivity of the protonated samples was
                      found to increase linearly with the proton content
                      determined independently by weight measurements. From the
                      data, the activation energy and the prefactor of the proton
                      mobility were extracted and compared with literature values,
                      In addition to water vapor. atmospheres proton uptake was
                      observed by impedance spectroscopy (IS) in acetone vapors
                      where argon was used as inert carrier gas. At temperatures
                      above 450-500 degreesC, such a treatment led to the
                      undesirable deposition of a carbonaceous layer on the
                      surfaces. The mechanism of proton incorporation by acetone
                      vapor presumably is ion exchange reactions where protons
                      enter into the bulk and Sr segregates in the surface region.
                      (C) 2001 Elsevier Science BN. All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {IFF-EKM},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB35},
      pnm          = {Festkörperforschung für die Informationstechnik},
      pid          = {G:(DE-Juel1)FUEK54},
      shelfmark    = {Chemistry, Physical / Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000172095500041},
      doi          = {10.1016/S0167-2738(01)00926-2},
      url          = {https://juser.fz-juelich.de/record/29436},
}