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Chemical State of Complex Uranium Oxides

K. O. Kvashnina, S. M. Butorin, P. Martin, and P. Glatzel
Phys. Rev. Lett. 111, 253002 – Published 17 December 2013
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Abstract

We report here the first direct observation of U(V) in uranium binary oxides and analyze the gradual conversion of the U oxidation state in the mixed uranium systems. Our finding clarifies previous contradicting results and provides important input for the geological disposal of spent fuel, recycling applications, and chemistry of uranium species.

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  • Received 19 February 2013

DOI:https://doi.org/10.1103/PhysRevLett.111.253002

© 2013 American Physical Society

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Uranium Oxidation State Finally Revealed

Published 17 December 2013

X-ray spectroscopy has revealed the first direct evidence for a particular oxidation state of uranium in two types of uranium oxide.

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Authors & Affiliations

K. O. Kvashnina1,*, S. M. Butorin2, P. Martin3, and P. Glatzel1

  • 1European Synchrotron Radiation Facility, 6 Rue Jules Horowitz, BP 220, 38043, Grenoble, France
  • 2Department of Physics and Astronomy, Uppsala University, Box 516, S-751 20 Uppsala, Sweden
  • 3CEA, DEN, DEC, CEN Cadarache, 13108, St. Paul lez Durance, France

  • *kristina.kvashnina@esrf.fr

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Issue

Vol. 111, Iss. 25 — 20 December 2013

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