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@ARTICLE{Fantin:862888,
      author       = {Fantin, Andrea and Scherb, Tobias and Seeger, Janka and
                      Schumacher, Gerhard and Gerhards, Uta and Ivanova, Mariya E.
                      and Meulenberg, Wilhelm A. and Dittmeyer, Roland and
                      Banhart, John},
      title        = {{R}elation between composition and vacant oxygen sites in
                      the mixed ionic-electronic conductors {L}a 5.4 {W} 1−y {M}
                      y {O} 12−δ ( {M} = {M}o, {R}e; 0 ≤ y ≤ 0.2) and their
                      mother compound {L}a 6−x {WO} 12−δ (0.4 ≤ x ≤ 0.8)},
      journal      = {Solid state ionics},
      volume       = {306},
      issn         = {0167-2738},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2019-03071},
      pages        = {104 - 111},
      year         = {2017},
      abstract     = {A detailed analysis of specimen composition, water uptake
                      and their interrelationship in the systems
                      La6-xWO12-δ(0.4≤x≤0.8) and
                      La6-xW1-yMyO12-δ(0≤y≤0.2;M= Mo, Re) is presented. The
                      three specimen series wereinvestigated in dry and wet (D2O)
                      conditions. A systematic trend in mass loss and onset
                      temperature variationwas observed in
                      La6-xWO12-δ(0.4≤x≤0.8). Even very small amounts (< 1
                      $wt\%)$ of secondary phases werefound to notably modify the
                      specimen's water uptake and onset temperature of mass loss.
                      The theoretical modelfor vacancy concentration available was
                      used to calculate the vacant oxygen sites starting from mass
                      loss valuesdetermined by thermogravimetry. A discrepancy
                      between the calculated and observed concentration of
                      vacantoxygen sites is observed for all three systems. The
                      effect of substitution of W by Re or Mo on the vacancy
                      amountis explained taking into account diffraction
                      measurements and information on the oxidation state of
                      thesubstituting elements Mo and Re.},
      cin          = {IEK-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113)},
      pid          = {G:(DE-HGF)POF3-113},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000406736300016},
      doi          = {10.1016/j.ssi.2017.04.005},
      url          = {https://juser.fz-juelich.de/record/862888},
}