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Smith, A.L. (author), Martin, Philippe M. (author), Prieur, Damien (author), Scheinost, Andreas C. (author), Raison, Philippe E. (author), Cheetham, Anthony K. (author), Konings, R. (author)The charge distributions in α-Na<sub>2</sub>UO<sub>4</sub>, Na<sub>3</sub>NpO<sub>4</sub>, α-Na<sub>2</sub>NpO<sub>4</sub>, Na<sub>4</sub>NpO<sub>5</sub>, Na<sub>5</sub>NpO<sub>6</sub>, Na<sub>2</sub>PuO<sub>3</sub>, Na<sub>4</sub>PuO<sub>5</sub>, and Na<sub>5</sub>PuO<sub>6</sub> are investigated in this work using X-ray absorption near-edge...journal article 2016
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Smith, A.L. (author), Hen, Amir (author), Magnani, Nicola (author), Sanchez, Jean Pierre (author), Colineau, Eric (author), Griveau, Jean Christophe (author), Raison, Philippe E. (author), Caciuffo, Roberto (author), Konings, R. (author), Cheetham, Anthony K. (author)The physical and chemical properties at low temperatures of hexavalent disodium neptunate α-Na<sub>2</sub>NpO<sub>4</sub> are investigated for the first time in this work using Mössbauer spectroscopy, magnetization, magnetic susceptibility, and heat capacity measurements. The Np(VI) valence state is confirmed by the isomer shift value of the...journal article 2016