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Novel production method for traceable surface sources by aluminium functionalisation.

D Tüzün1, L Chambon1, Y Kergadallan1

  • 1Université Paris-Saclay, CEA, List, Laboratoire National Henri Becquerel (LNE-LNHB), F-91120, Palaiseau, France.

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine
|October 7, 2023
PubMed
Summary
This summary is machine-generated.

Developing flexible, large-area radioactive surface sources is crucial for accurate low-level radioactivity detection during nuclear decommissioning. Functionalized aluminum foil offers a representative calibration solution, improving safety and efficiency.

Keywords:
Am-241Eu-152Large area surface sourcesRadioactive sourceSurface functionalisation

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Area of Science:

  • Nuclear decommissioning
  • Radioactive source development
  • Surface functionalization

Background:

  • Accurate detection of low-level radioactivity is essential for effective nuclear decommissioning.
  • Existing commercial calibration sources are often unrepresentative due to their flat surfaces.
  • Need for flexible, large-area sources for realistic calibration.

Purpose of the Study:

  • To develop flexible and large-area surface sources for alpha and beta emitters.
  • To functionalize aluminum foil for creating representative radioactive calibration sources.
  • To evaluate functionalization strategies for optimal radionuclide fixation and uniformity.

Main Methods:

  • Functionalization of aluminum foil using various strategies.
  • Coating aluminum foil with manganese oxide.
  • Testing fixation yield for Americium-241 (241Am).
  • Assessing source uniformity according to ISO 8769 standards.

Main Results:

  • Successful development of functionalized aluminum foil as flexible surface sources.
  • Manganese oxide coating demonstrated the highest fixation yield for 241Am at (70.0 ± 2.6)%.
  • The developed source achieved 92% uniformity, conforming to ISO 8769 standards.

Conclusions:

  • Functionalized aluminum foil is a viable method for producing representative radioactive surface sources.
  • Manganese oxide coating is an effective strategy for enhancing radionuclide fixation.
  • These sources can improve the accuracy of low-level radioactivity detection in nuclear decommissioning.