학술논문

Separate measurement of the 5f 5/2 and 5f 7/2 unoccupied density of states of UO 2
Document Type
article
Source
Subject
Chemical Physics
Atomic
Molecular
Nuclear
Particle and Plasma Physics
Condensed Matter Physics
Physical Chemistry (incl. Structural)
Language
Abstract
Coupling High Energy Resolution Fluorescence Detection (HERFD) with electric dipole selection rules, the uranium 5f 5/2 and 5f 7/2 Unoccupied Densities of States (UDOS) have been determined in UF 4 , UO 2 and UCd 11 . Striking changes were observed between UF 4 (5f 2 ) to UCd 11 (5f 3 ), consistent with the Intermediate Coupling Model. Results for UO 2 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.