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Free, publicly-accessible full text available January 6, 2026
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Fornasier, Massimo (Ed.)Free, publicly-accessible full text available January 1, 2026
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Free, publicly-accessible full text available January 6, 2026
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Free, publicly-accessible full text available December 1, 2025
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Free, publicly-accessible full text available November 1, 2025
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We examine the bulk electronic structure of using Ni core-level hard x-ray photoemission spectroscopy combined with density functional theory dynamical mean-field theory. Our results reveal a large deviation of the Ni occupation from the formal valency, highlighting the importance of the charge transfer from oxygen ligands. We find that the dominant configuration is accompanied by nearly equal contributions from and states, exhibiting an unusual valence state among Ni-based oxides. Finally, we discuss the Ni and orbital-dependent hybridization, correlation and local spin dynamics. Published by the American Physical Society2025more » « lessFree, publicly-accessible full text available April 1, 2026
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Free, publicly-accessible full text available September 1, 2025