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@ARTICLE{Houben:877985,
      author       = {Houben, Anne and Rasiński, M. and Gao, Liang and
                      Linsmeier, Ch.},
      title        = {{T}ungsten nitride as tritium permeation barrier},
      journal      = {Nuclear materials and energy},
      volume       = {24},
      issn         = {2352-1791},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2020-02559},
      pages        = {100752 -},
      year         = {2020},
      abstract     = {The development and application of robust tritium
                      permeation barrier coatings is crucial for a safe and
                      economic fusion reactor operation. Three different tungsten
                      and tungsten nitride layers on Eurofer97 substrates were
                      investigated by deuterium permeation measurements and
                      compared. The microstructure and crystal structure was
                      characterized before and after permeation measurements. The
                      layer permeability is independent of the layer thickness and
                      substrate of the sample. For a reliable comparison of
                      different tritium permeation barrier coatings, the layer
                      permeability of each layer was calculated. With this layer
                      permeability, the permeation flux through potential fusion
                      device components can be estimated. As examples, the
                      permeation flux through a 0.5 cm thick steel component can
                      be reduced by two orders of magnitude by a 2 m thick WN
                      layer and nearly four orders of magnitude by a 2 m
                      non-cracked tungsten layer.},
      cin          = {IEK-4},
      ddc          = {624},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113)},
      pid          = {G:(DE-HGF)POF3-113},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000572929800005},
      doi          = {10.1016/j.nme.2020.100752},
      url          = {https://juser.fz-juelich.de/record/877985},
}