Separate measurement of the 5f5/2 and 5f7/2 unoccupied density of states of UO2

Coupling High Energy Resolution Fluorescence Detection (HERFD) with electric dipole selection rules, the uranium 5f5/2 and 5f7/2 Unoccupied Densities of States (UDOS) have been determined in UF4, UO2 and UCd11. Striking changes were observed between UF4 (5f2) to UCd11 (5f3), consistent with the Inte...

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Bibliographic Details
Published in:	Journal of electron spectroscopy and related phenomena , Vol.232 (C), p.100-104
Main Authors:	Tobin, J.G., Nowak, S., Booth, C.H., Bauer, E.D., Yu, S.-W., Alonso-Mori, R., Kroll, T., Nordlund, D., Weng, T.-C., Sokaras, D.
Format:	Article
Language:	eng
Subjects:	5f electronic structure INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY MATERIALS SCIENCE OTHER INSTRUMENTATION Uranium dioxide X-ray emission
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Summary:	Coupling High Energy Resolution Fluorescence Detection (HERFD) with electric dipole selection rules, the uranium 5f5/2 and 5f7/2 Unoccupied Densities of States (UDOS) have been determined in UF4, UO2 and UCd11. Striking changes were observed between UF4 (5f2) to UCd11 (5f3), consistent with the Intermediate Coupling Model. Results for UO2 were confirmed by Bremstrahlung Isochromat Spectroscopy (BIS). This new approach can be a powerful tool for shedding light on the hidden mysteries of Actinides 5f-electrons properties.
ISSN:	0368-2048 1873-2526