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April 24, 2026Nuclear TechniquesOpen Access

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

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Authors

JYJunheng YingsuJSJianchao SunMSMiao SHEN

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Overview

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

Key Points

  • 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.

Cite This Study

Yingsu et al. (2026) studied this question.

synapsesocial.com/papers/69eb0b8d553a5433e34b535ahttps://doi.org/10.3724/j.0253-3219.2026.hjs.49.250363
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