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@ARTICLE{Overstreet:909075,
      author       = {Overstreet, Cale and Cooper, Jacob and O'Quinn, Eric and
                      Cureton, William and Palomares, Raul and Leys, Julia and
                      Deissmann, Guido and Neumeier, Stefan and Chen, Chien-Hung
                      and Lang, Maik},
      title        = {{S}tructural stability of {REE}-{PO}4 ({REE} = {S}m,{T}b)
                      under swift heavy ion irradiation},
      journal      = {Nuclear instruments $\&$ methods in physics research / B},
      volume       = {527},
      issn         = {0168-583X},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2022-02993},
      pages        = {34 - 39},
      year         = {2022},
      abstract     = {Rare earth element (REE) phosphates are an attractive host
                      matrix for long-lived radionuclides from nuclear waste
                      because of the radiation tolerance exhibited by naturally
                      occurring REE phosphate specimens. Here we show that SmPO4
                      (monazite structure) and TbPO4 (xenotime structure) exhibit
                      a similar amorphization response to swift heavy ion
                      irradiation despite different starting structures. SmPO4 and
                      TbPO4 were irradiated with 1.1 GeV Au ions and analyzed
                      using synchrotron-based X-ray diffraction (XRD), Raman
                      spectroscopy, and transmission electron microscopy (TEM).
                      The radiation response of the phosphates was evaluated by
                      extracting the amorphous fraction at each irradiation
                      fluence, and a single-impact model was used to determine the
                      amorphous cross section and track diameter. Amorphization
                      within individual ion tracks was confirmed using head-on TEM
                      imaging, and the amorphous track size agreed with the value
                      deduced by XRD analysis. Raman measurements were performed
                      to qualitatively confirm the ion-induced
                      crystalline-to-amorphous transformation which proceeds
                      similarly for both phosphates.},
      cin          = {IEK-6},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-6-20101013},
      pnm          = {1411 - Nuclear Waste Disposal (POF4-141)},
      pid          = {G:(DE-HGF)POF4-1411},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000874682100005},
      doi          = {10.1016/j.nimb.2022.07.014},
      url          = {https://juser.fz-juelich.de/record/909075},
}