Unraveling 5f-6d hybridization in uranium compounds via spin-resolved L-edge spectroscopy
- Reis, R. D. dos
- Veiga, L. S. I.
- Escanhoela, C. A.
- Lang, J. C.
- Joly, Y.
- Gandra, F. G.
- Haskel, D.
- Souza-Neto, N. M.
DOIAbstract
FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULO - FAPESPCOORDENAÇÃO DE APERFEIÇOAMENTO DE PESSOAL DE NÍVEL SUPERIOR - CAPESThe multifaceted character of 5f electrons in actinide materials, from localized to itinerant and in between, together with their complex interactions with 6d and other conduction electron states, has thwarted efforts for fully understanding this class of compounds. While theoretical efforts abound, direct experimental probes of relevant electronic states and their hybridization are limited. Here we exploit the presence of sizable quadrupolar and dipolar contributions in the uranium L-3-edge X-ray absorption cross section to provide unique information on the extent of spin-polarized hybridization between 5f and 6d ...
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