Research

NAUTILUS empowers research and innovation across critical areas of inquiry, with potential applications in nuclear materials analysis, cosmochemistry, geochemistry, and more. Explore a collection of relevant publications from the United States Naval Research Laboratory, which transferred NAUTILUS to Notre Dame.

Previous Publications at the Naval Research Laboratory

• Burgess, K., et al.
  “Investigating oklo fuel fission product retention by Nautilus, Tem, NanoSIMS.”
  Transactions of the American Nuclear Society - Volume 121, 2019, pp. 613–614.
  https://doi.org/10.13182/t30753
• Groopman, Evan E., et al. 
  “An overview of NRL’s Nautilus: A combination SIMS-AMS for spatially resolved trace isotope analysis.” 
  Journal of Analytical Atomic Spectrometry, vol. 35, no. 3, 2020, pp. 600–625.
  https://doi.org/10.1039/c9ja00344d
• Groopman, Evan E., et al.
  “Discovery of fissionogenic Cs and Ba capture five years after Oklo reactor shutdown.” 
  PNAS.
  https://doi.org/10.1073/pnas.180726711
• Groopman, Evan E, et al. 
  “Long-Term Retention and Chemical Fractionation of Fissionogenic Cs and TC in Oklo Natural Nuclear Reactor Fuel.” 
  Applied Geochemistry, Pergamon, 3 July 2021.
  https://doi.org/10.1016/j.apgeochem.2021.105047
• Groopman, Evan E., Kenneth S. Grabowski, et al. 
  “Rapid, Molecule-Free, in Situ Rare Earth Element Abundances by Sims-SSAMS.” 
  Journal of Analytical Atomic Spectrometry, The Royal Society of Chemistry, 19 Sept. 2017. https://pubs.rsc.org/en/content/articlelanding/2017/ja/c7ja00294g
• K.S. Grabowski, et al.
  "Enhanced spatially-resolved trace analysis using combined SIMS-single-stage AMS."
  Nuclear Instruments and Methods in Physics.
  https://doi.org/10.1016/j.nimb.2017.07.025
  
• Grabowski, K.S., et al.
  “Positive ion sims-SSAMS for trace analysis of materials.”
  Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, vol. 455, Sept. 2019, pp. 158–164.
  https://doi.org/10.1016/j.nimb.2018.12.021
• Willingham, D., E. E. Groopman, K. S. Grabowski, et al.
  “Direct, Uncorrected, Molecule-Free Analysis of 236U from Uranium-Bearing Particles with Nautilus: A New Kind of Mass Spectrometer.” 
  Analyst, The Royal Society of Chemistry, 7 Sept. 2018.
  https://pubs.rsc.org/en/content/articlelanding/2018/an/c8an01451e
• Willingham, David, Josh Wimpenny, et al.
  “Spatially resolved characterisation of low mass fraction uranium glass working reference materials.”
  Geostandards and Geoanalytical Research, vol. 47, no. 4, 11 Aug. 2023, pp. 893–906.
   https://doi.org/10.1111/ggr.12519
• Willingham, David, et al. 
  “U–pu mixed oxide particle analysis by Nautilus and implications for next-generation verification challenges.” 
  Journal of the American Society for Mass Spectrometry, vol. 31, no. 8, 18 June 2020, pp. 1647–1655. https://doi.org/10.1021/jasms.0c00097