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Probing covalency with oxidant K edge x-ray absorption spectroscopy of UF4 and UO2
- Author(s): Tobin, JG
- Yu, S-W
- Qiao, R
- Yang, WL
- Shuh, DK
- et al.
Published Web Location
https://doi.org/10.1116/1.5046947Abstract
© 2018 Author(s). There are some interesting discrepancies between what has been observed experimentally and the predictions of cluster theory. In particular, the F 1s x-ray absorption spectroscopy (XAS) of uranium tetrafluoride and the U 4d XAS branching ratio for oxidized uranium are two cases in point. These discrepancies may be driven by the overestimation of covalency in cluster calculations.