Abstract
The unoccupied electronic structure of an opend-shell transition metal oxide, namely Fe3O4, has been addressed by measuring ultraviolet angle-integrated inverse photoemission (IP) spectra acquired in the isochromat mode (hv=10.2-24 eV). Exploitation of photon energy dependence of symmetry-projected IP cross-sections and comparison with the O 1s X-ray absorption spectrum allow us to recognize a strong covalent admixture of Fe [3d; 4 (sp)]-and O (2p)-derived states in this compound.
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Sancrotti, M., Ciccacci, F., Finazzi, M. et al. Covalency in the electronic structure of Fe3O4: An ultraviolet inverse photoemission investigation. Z. Physik B - Condensed Matter 84, 243–246 (1991). https://doi.org/10.1007/BF01313543
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DOI: https://doi.org/10.1007/BF01313543