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Electronic structure of the Fe2+ compound FeWO4: A combined experimental and theoretical x-ray photoelectron spectroscopy study

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Altendorf,  S. G.
Simone Altendorf, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Takegami,  D.
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Meléndez-Sans,  A.
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Chang,  C. F.
Chun-Fu Chang, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Schmidt,  M.
Marcus Schmidt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Tjeng,  L. H.
Liu Hao Tjeng, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Altendorf, S. G., Takegami, D., Meléndez-Sans, A., Chang, C. F., Yoshimura, M., Tsuei, K. D., et al. (2023). Electronic structure of the Fe2+ compound FeWO4: A combined experimental and theoretical x-ray photoelectron spectroscopy study. Physical Review B, 108(8): 085119, pp. 1-6. doi:10.1103/PhysRevB.108.085119.


Cite as: https://hdl.handle.net/21.11116/0000-000D-AF2B-F
Abstract
The electronic structure of FeWO4 is studied by photoelectron spectroscopy at x-ray and hard x-ray photon energies on high-quality single crystals. Photoionization cross-section effects together with full atomic multiplet configuration interaction and band structure calculations allow us to identify the contributions of iron and tungsten to the valence band. The analysis shows that the correlations in FeWO4 necessitate theoretical approaches beyond standard band structure models even for the description of the tungsten with a formal 5d0 configuration. © 2023 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Open access publication funded by the Max Planck Society.