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Article Dans Une Revue Chemical Communications Année : 2015

Intrinsic formation of nanocrystalline neptunium dioxide under neutral aqueous conditions relevant to deep geological repositories

Résumé

The dilution of aqueous neptunium carbonate complexes induces the intrinsic formation of nanocrystalline neptunium dioxide (NpO2) particles, which are characterised by UV/Vis and X-ray absorption spectroscopies and transmission electron microscopy. This new route of nanocrystalline NpO2 formation could be a potential scenario for the environmental transport of radionuclides from the waste repository (i.e. under near-field alkaline conditions) to the geological environment (i.e. under far-field neutral conditions)

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Chimie
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hal-01572720 , version 1 (08-08-2017)

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Richard Husar, Rene Huebner, Christoph Hennig, Philippe M. Martin, Melanie Chollet, et al.. Intrinsic formation of nanocrystalline neptunium dioxide under neutral aqueous conditions relevant to deep geological repositories. Chemical Communications, 2015, 51 (7), pp.1301-1304. ⟨10.1039/c4cc08103j⟩. ⟨hal-01572720⟩
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