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@ARTICLE{Zibrov:910647,
      author       = {Zibrov, M. S. and Baldwin, M. J. and Mayer, M. and Nguyen,
                      H. Q. and Brezinsek, S. and Doerner, R. P.},
      title        = {{D}euterium retention in mixed {B}e-{W}-{D} codeposited
                      layers},
      journal      = {Nuclear fusion},
      volume       = {60},
      number       = {12},
      issn         = {0029-5515},
      address      = {Vienna},
      publisher    = {IAEA},
      reportid     = {FZJ-2022-04020},
      pages        = {126005 -},
      year         = {2020},
      abstract     = {Mixed beryllium-tungsten-deuterium (Be-W-D) layers
                      (4.4–28.4 $at.\%$ W) were codeposited in a magnetron
                      discharge in D2-Ar atmosphere at pressures of 0.8 Pa, 2.7
                      Pa, and 8 Pa and a substrate temperature of 373 ± 15 K.
                      The composition of the layers was determined using nuclear
                      reaction analysis and Rutherford backscattering
                      spectrometry. D trapping states in the layers were examined
                      using thermal desorption spectroscopy. At all pressures
                      used, the D concentration in the layers has a non-monotonic
                      dependence on the W concentration, with the maximum
                      occurring at $4.4–7.3\%$ W. In this case, the D
                      concentration is about two times greater than that in a Be-D
                      layer; in W-D layers the D concentration is more than one
                      order of magnitude smaller. Increase of pressure during
                      deposition results in an increase of the D concentration in
                      Be-D and Be-W-D $(4.4–7.3\%$ W) layers and is linked with
                      the appearance of sharp low-temperature D release peaks near
                      450 K and 500 K. Increase of pressure also results in
                      steeper decrease of the D concentration with increasing W
                      concentration beyond $7.3\%.$ It is concluded that for the
                      layers deposited at 450 K and above, the effect of the
                      presence of W $(4.4–28.4\%)$ on the D retention becomes
                      small.},
      cin          = {IEK-4},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {134 - Plasma-Wand-Wechselwirkung (POF4-134)},
      pid          = {G:(DE-HGF)POF4-134},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000575504400001},
      doi          = {10.1088/1741-4326/abae83},
      url          = {https://juser.fz-juelich.de/record/910647},
}