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Oxygen 1 s x-ray-absorption edges of transition-metal oxides
Abstract
The oxygen 1s x-ray-absorption edges of a series of 3d-transition-metal oxides have been measured. The structures at the edge arise from covalent mixing of the metal and oxygen states, which introduces oxygen p character in unoccupied states of mainly metal character. The spectra can be divided into two regions: The first is a double-peaked sharp structure near threshold, which can be related to the metal 3d states; the second is a broader structure 5--10 eV above the edge and is related to the metal 4s and 4p bands. We attribute the oxygen p character up to 15 eV above threshold to mainly oxygen 2p character. The data are analyzed in terms of ligand-field and exchange splittings. It is shown that the splitting between the two sharp peaks near threshold is related closely to the ligand-field splitting, but the relative intensities of the peaks are not fully explained at the present time.
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Cited by
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Kapilashrami, M., Zhang, Y., Liu, Y.-S., Hagfeldt, A., & Guo, J. (2014) · Chemical Reviews · doi:10.1021/cr5000893 · Cited by 508
Zhang, P., Li, L., Nordlund, D., Chen, H., Fan, L., Zhang, B., Sheng, X., Daniel, Q., & Sun, L. (2018) · Nature Communications · doi:10.1038/s41467-017-02429-9 · Cited by 431
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Metadata
- Authors
- de Groot, F. M. F., Grioni, M., Fuggle, J. C., Ghijsen, J., Sawatzky, G. A., & Petersen, H.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 1989-09-15
- Volume
- 40
- Issue
- 8
- Pages
- 5715-5723
- ISSN
- 0163-1829 (ISSN-L)
- OpenAlex
- W2012676960
- Cited by
- 1,283
- References
- 0
- FWCI
- 18.82
- Type
- journal article
- Language
- en
- Open access
- closed
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- de Groot, F. M. F., Grioni, M., Fuggle, J. C., Ghijsen, J., Sawatzky, G. A., & Petersen, H. (1989). Oxygen 1 s x-ray-absorption edges of transition-metal oxides. Physical Review B. https://doi.org/10.1103/physrevb.40.5715
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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