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@ARTICLE{Coenen:827016,
      author       = {Coenen, J. W. and Berger, M. and Demkowicz, M. J. and
                      Matveev, D. and Manhard, A. and Neu, R. and Riesch, J. and
                      Unterberg, B. and Wirtz, Marius and Linsmeier, Ch.},
      title        = {{P}lasma-wall interaction of advanced materials},
      journal      = {Nuclear materials and energy},
      volume       = {12},
      issn         = {2352-1791},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2017-01222},
      pages        = {307-312},
      year         = {2017},
      abstract     = {DEMO is the name for the first stage prototype fusion
                      reactor considered to be the next step after ITER. For the
                      realization of fusion energy especially materials questions
                      pose a significant challenge already today. Advanced
                      materials solution are under discussion in order to allow
                      operation under reactor conditions [1] and are already under
                      development used in the next step devices. Apart from issues
                      related to material properties such as strength, ductility,
                      resistance against melting and cracking one of the major
                      issues to be tackled is the interaction with the fusion
                      plasma. Advanced tungsten (W) materials as discussed below
                      do not necessarily add additional lifetime issues, they
                      will, however, add concerns related to erosion or surface
                      morphology changes due to preferential sputtering. Retention
                      of fuel and exhaust species are one of the main concerns.
                      Retention of hydrogen will be one of the major issues to be
                      solved in advanced materials as especially composites and
                      alloys will introduce new hydrogen interactions mechanisms.
                      Initial calculations show these mechanisms. Especially for
                      Helium as the main impurity species material issues arise
                      related to surfaces modification and embrittlement.
                      Solutions are proposed to mitigate effects on material
                      properties and introduce new release mechanisms.},
      cin          = {IEK-4 / IEK-2},
      ddc          = {333.7},
      cid          = {I:(DE-Juel1)IEK-4-20101013 / I:(DE-Juel1)IEK-2-20101013},
      pnm          = {174 - Plasma-Wall-Interaction (POF3-174)},
      pid          = {G:(DE-HGF)POF3-174},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000417293300045},
      doi          = {10.1016/j.nme.2016.10.008},
      url          = {https://juser.fz-juelich.de/record/827016},
}