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@ARTICLE{Marcano:866062,
      author       = {Marcano, D. and Ivanova, Mariya and Mauer, G. and Sohn, Y.
                      J. and Schwedt, A. and Bram, M. and Menzler, N. H. and
                      Vaßen, R.},
      title        = {{PS}-{PVD} {P}rocessing of {S}ingle-{P}hase {L}anthanum
                      {T}ungstate {L}ayers for {H}ydrogen-{R}elated
                      {A}pplications},
      journal      = {Journal of thermal spray technology},
      volume       = {28},
      number       = {7},
      issn         = {1544-1016},
      address      = {Boston, Mass.},
      publisher    = {Springer},
      reportid     = {FZJ-2019-05302},
      pages        = {1554-1564},
      year         = {2019},
      abstract     = {This work presents a systematic study of the lanthanum
                      tungstate (LaWO) ceramic layers formation on porous metallic
                      substrates as a function of the PS-PVD processing parameters
                      including plasma characteristics, support type and
                      temperature, as well as addition of O2 during the spraying.
                      Through precise control of the PS-PVD parameters, a set of
                      processing conditions were found that led to He gas-tight
                      purely cubic LaWO layers with negligible secondary phase
                      precipitations. Being dependent on process conditioning, the
                      formation and evolution of the cubic La6−xWO12−δ
                      (x = 0.3-0.6) as the main phase of functional importance
                      and of the undesired secondary phases (La2O3 and La6W2O15)
                      was strongly affected by the cation and oxygen
                      stoichiometries. The rapid cooling of the feedstock at
                      particle impact on the substrate led to the formation of
                      highly La-saturated compositions which exhibited significant
                      lattice expansion in comparison with conventionally
                      processed LaWO and is considered beneficial in terms of
                      material performance. And indeed, the H2 permeation
                      performance of the PS-PVD processed LaWO ceramic layers
                      shown earlier by our group was 0.4 ml/min∙cm2 at 825 °C
                      for 60 µm thickness of the functional layer, the highest
                      value reported for this type of proton conducting ceramics,
                      so far.},
      cin          = {IEK-1},
      ddc          = {670},
      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:000492174500006},
      doi          = {10.1007/s11666-019-00935-4},
      url          = {https://juser.fz-juelich.de/record/866062},
}