Abstract
We employ a combination of the density-functional theory and the dynamical mean-field theory to study the electronic structure of selected rare-earth sesquioxides and dioxides. We concentrate on the core-level photoemission spectra, in particular, we illustrate how these spectra reflect the integer or fractional filling of the 4f orbitals. We compare the results to our earlier calculations of actinide dioxides and analyze why the core-level spectra of actinide compounds display a substantially reduced sensitivity to the filling of the 5f orbitals.
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Kolorenč, J. Metal-Oxygen Hybridization and Core-Level Spectra in Actinide and Rare-Earth Oxides. MRS Advances 1, 3007–3012 (2016). https://doi.org/10.1557/adv.2016.403
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DOI: https://doi.org/10.1557/adv.2016.403