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Updated: Sep 15, 2025
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Molten-Salt Synthesis of Complex Metal Oxide Nanoparticles
Published on: October 27, 2018
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Synthetic engineering of neptunium oxide nanoparticles
Ashley M Hastings1, Nic Cicchetti1,2, Joseph R Boro1
1Nuclear and Chemical Sciences Division, Lawrence Livermore National Laboratory Livermore CA 94550 USA hastings9@llnl.gov.
Nanoscale Advances
|July 18, 2025
Summary
Researchers synthesized spherical neptunium oxide nanoparticles (40-200 nm) using homogeneous precipitation. This study provides crucial data for understanding nuclear material properties across new size regimes.
Area of Science:
- Materials Science
- Nanotechnology
- Nuclear Engineering
Background:
- Neptunium oxide nanoparticles are critical in nuclear materials research.
- Limited data exists for structure-property relationships in the 40-200 nm size range.
Purpose of the Study:
- To synthesize spherical neptunium oxide nanoparticles within a specific size range (40-200 nm).
- To characterize these nanoparticles and their suspensions.
- To expand the available data for neptunium oxide structure-property relationships.
Main Methods:
- Homogeneous precipitation for nanoparticle synthesis.
- Spectroscopic analyses for chemical and structural characterization.
- Microscopic analyses for morphology and size determination.
Main Results:
- Successfully synthesized spherical neptunium oxide nanoparticles.
- Characterized particle size distribution within the 40-200 nm range.
- Established a foundation for structure-property investigations.
Conclusions:
- The synthesis method is effective for producing neptunium oxide nanoparticles in the target size range.
- This work addresses a gap in the available size regimes for nuclear materials.
- The characterized nanoparticles serve as a basis for future studies on nuclear material behavior.
