期刊
JOURNAL OF PHYSICS COMMUNICATIONS
卷 4, 期 1, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/2399-6528/ab6940
关键词
x-ray emission; actinides; uranium; angular momentum coupling
资金
- US Department of Energy, National Nuclear Security Administration [DE-AC52-07NA27344]
- US Department of Energy, Office of Energy Efficiency& Renewable Energy, Solar Energy Technology Office BRIDGE Program
- Office of Science of theUS Department of Energy [DE-AC02-05CH11231]
The first observation of Intermediate Coupling effects in the occupied 5f states has been made using x-ray Emission Spectroscopy (XES). In the past, the impact of Intermediate Coupling of the 5f states in actinides has long been observed and quantified, using x-ray Absorption Spectroscopy (XAS) to probe the unoccupied 5f states, providing great insight into the enigma of 5f electronic structure. However, no measure of its effects in the occupied states had been reported before this. Moreover, because the 5f occupied states in UF4 are almost completely of 5f(5/2) character, the observed effect in XES is twice that in XAS for UF4.
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