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@ARTICLE{Ivanova:20942,
      author       = {Ivanova, M. and Seeger, J. and Serra, J.M. and Solis, C.
                      and Meulenberg, W.A. and Fischer, W. and Roitsch, St. and
                      Buchkremer, H.P.},
      title        = {{I}nfluence of the {L}a6{W}2{O}15 {P}hase on the
                      {P}roperties and {I}ntegrity of {L}a6-x{WO}12-delta-{B}ased
                      {M}embranes},
      journal      = {Chemistry and Materials Research},
      volume       = {2},
      number       = {1},
      issn         = {2225-0956},
      address      = {New York, NY},
      publisher    = {International Institute for Science, Technology and
                      Education (IISTE)},
      reportid     = {PreJuSER-20942},
      pages        = {56 - 81},
      year         = {2012},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The aim of the present work is to evaluate the influence of
                      La6W2O15 secondary phase on the properties and integrity of
                      La6-xWO12-?–based membranes. Structural, microstructural
                      and thermo–chemical study was carried out evidencing
                      significant crystallographic and thermal expansion
                      anisotropy: the reason for poor thermo–mechanical
                      stability of La6W2O15. Conductivity of La6W2O15 was one to
                      two orders of magnitude lower compared to the phase pure
                      La6-xWO12-? in the range of 300 to 900 °C. The relaxation
                      study showed that the hydration process was faster for the
                      La6W2O15 compared to the LWO phase, due to the higher
                      electronic contribution to the total conductivity.
                      Short–term stability tests in H2 at 900 °C and in a
                      mixture of CO2 and CH4 at 750 °C were conducted and
                      material remained stable. Remarkable reactivity with NiO and
                      YSZ at elevated temperatures was further evidenced compared
                      to the relative inert behavior towards MgO and CGO.},
      cin          = {IEK-1 / IEK-2},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-2-20101013},
      pnm          = {Rationelle Energieumwandlung},
      pid          = {G:(DE-Juel1)FUEK402},
      typ          = {PUB:(DE-HGF)16},
      url          = {https://juser.fz-juelich.de/record/20942},
}