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Investigation of ionic local structure in molten salt fast reactor LiF-ThF4-UF4 fuel by EXAFS experiments and molecular dynamics simulations

Abstract : This article focuses on the speciation of molten fluoride mixtures based on ThF 4 and UF 4 actinides used in molten salt reactors. The local structure of molten AF-MF 4 systems (A=Li + , Na + , K + ; M= Th 4+ , U 4+) was studied in situ by combining measurements by high temperature X-ray absorption spectroscopy and molecular dynamics simulations. In the molten state, 20°C
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https://hal.archives-ouvertes.fr/hal-03014065
Contributor : Dominique Massiot <>
Submitted on : Thursday, November 26, 2020 - 3:04:56 PM
Last modification on : Tuesday, December 8, 2020 - 3:37:38 AM

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Catherine Bessada, Didier Zanghi, Mathieu Salanne, Ana Gil-Martin, Mathieu Gibilaro, et al.. Investigation of ionic local structure in molten salt fast reactor LiF-ThF4-UF4 fuel by EXAFS experiments and molecular dynamics simulations. Journal of Molecular Liquids, Elsevier, 2020, 307, pp.112927. ⟨10.1016/j.molliq.2020.112927⟩. ⟨hal-03014065⟩

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