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This research aims to explore the microscopic structures and transformation mechanisms of nuclear-grade fluoride molten salts using 19F NMR.

April 24, 2026Nuclear TechniquesOpen Access

Application of 19F NMR for the structure investigation of nuclear-grade fluoride molten salts

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Investigates molecular structures in molten fluorides, revealing temperature-driven transformation mechanisms.

This research aims to explore the microscopic structures and transformation mechanisms of nuclear-grade fluoride molten salts using 19F NMR.
Utilized high-resolution 19F NMR techniques combined with magic-angle spinning (MAS) and temperature variation.
Characterized the microstructure and dynamic behaviors of molten fluoride samples at different temperatures.
Established a quantitative 19F NMR method for analyzing ionic structures in the molten state.
High-temperature 19F NMR spectra indicate significant chemical shifts that unveil structural insights.
Demonstrated that the new analytical approach effectively assesses ionic structures present in molten salts at elevated temperatures.
Provided evidence of temperature-dependent transformation mechanisms in molten fluoride systems.

Yingsu et al. (2026) studied this question.

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