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<p>Isotopically tagging nuclear fuels can aid in determining the provenance of nuclear materials found outside of regulatory control. While metal oxide dopants can influence fuel material properties, the impact of the taggant particle size on these properties, and its detectability, are not well understood. In this work, isotopically perturbed NiO taggants were synthesized and incorporated into surrogate fuel pellets (CeO<sub>2</sub>) using the two form factors of nanoparticles and engineered microparticles. The subsequent analysis indicated that taggant form factor can impact the fuel pellet grain structure but likely does not impact taggant detectability or isotopic composition.</p>

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Elucidating the impact of taggant form factor on nuclear fuel pellet properties

  • 期刊论文

  • 发表日期：

    2026年2月18日

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  • Lorianne R. Shultz-Johnson,
  • Shelby Bowden,
  • Matthew O. Harrell,
  • Nicodemus Rod,
  • Robert Hausrath,
  • Claire Morgan,
  • Tucker Koenig,
  • Henry Ajo,
  • Matthew S. Wellons,
  • Christopher A. Barrett,
  • Katherine Koh,
  • Gage B. Green

摘要

Isotopically tagging nuclear fuels can aid in determining the provenance of nuclear materials found outside of regulatory control. While metal oxide dopants can influence fuel material properties, the impact of the taggant particle size on these properties, and its detectability, are not well understood. In this work, isotopically perturbed NiO taggants were synthesized and incorporated into surrogate fuel pellets (CeO2) using the two form factors of nanoparticles and engineered microparticles. The subsequent analysis indicated that taggant form factor can impact the fuel pellet grain structure but likely does not impact taggant detectability or isotopic composition.