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Updated: Jan 9, 2026

Speciation and Bioavailability Measurements of Environmental Plutonium Using Diffusion in Thin Films
Published on: November 9, 2015
Charge transfer in fcc plutonium-gallium alloys
Paul Roussel1, Sarah Hernandez2, Sajib Kumar Barman2
1AWE plc, Aldermaston, Reading, Berkshire RG7 4PR, United Kingdom.
None:
Alloying plutonium with gallium affords a fundamental change in the electronic behaviour at the atomic level. The charge transfer between plutonium and gallium in dilute gallium concentration alloys has been investigated using the initial state Auger parameter determined from x-ray photoelectron spectroscopy measurements. These experimental results have been compared to Bader valence charge analysis theoretical calculations. The agreement between experimental and theoretical results is excellent, both showing approximately -0.6 e-increase in charge on gallium which is invariant over the range of alloys investigated in this study.
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