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Probing electronic correlations in actinide materials using multipolar transitions
J. Bradley A., , G. Seidler T., K. Moore T., M. Haverkort W., G. Sawatzky A., S. Conradson D., D. Clark L., S. Kozimor A., K. Boland S.
Published in
Volume: 81
Issue: 19
We report nonresonant inelastic x-ray scattering from the semicore 5d levels of several actinide compounds. Dipole-forbidden, high-multipole features form a rich bound-state spectrum dependent on valence electron configuration and spin-orbit and Coulomb interactions. Cross-material comparisons, together with the anomalously high Coulomb screening required for agreement between atomic-multiplet theory and experiment, demonstrate sensitivity to the neighboring electronic environment, such as is needed to address longstanding questions of electronic localization and bonding in 5f compounds. {\textcopyright} 2010 The American Physical Society.
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