Isolating multiplet structure in 5f inverse photoemission

It is shown herein that the multiplet structure of the 5f5/2 manifold, caused by angular momentum coupling in the final state, can be extracted from the Inverse Photoelectron Spectroscopy (IPES) and Bremsstrahlung Isochromat Spectroscopy (BIS) of uranium dioxide and plutonium dioxide. Comparisons be...

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Bibliographic Details
Published in:Solid state sciences 2025-02, Vol.160, Article 107779
Main Authors: Tobin, J.G., Ramanantoanina, H., Daul, C., Roussel, P., Yu, S.-W., Sokaras, D., Kutepov, A.
Format: Article
Language:English
Subjects:
Actinides
Inverse photoemission and bremsstrahlung isochromat spectroscopy
Oxides
Plutonium
UDOS
Uranium
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Summary:It is shown herein that the multiplet structure of the 5f5/2 manifold, caused by angular momentum coupling in the final state, can be extracted from the Inverse Photoelectron Spectroscopy (IPES) and Bremsstrahlung Isochromat Spectroscopy (BIS) of uranium dioxide and plutonium dioxide. Comparisons between the extracted components and x-ray absorption calculations performed using Ligand Field Density Functional Theory (LFDFT) are presented and discussed. [Display omitted] •It is shown herein that the multiplet structure of the 5f5/2 manifold, caused by angular momentum coupling in the final state, can be extracted from the Inverse Photoelectron Spectroscopy (IPES) and Bremsstrahlung Isochromat Spectroscopy (BIS) of uranium dioxide and plutonium dioxide.•Comparisons between the extracted components and x-ray absorption calculations performed using Ligand Field Density Functional Theory (LFDFT) are presented and discussed.
ISSN:1293-2558
DOI:10.1016/j.solidstatesciences.2024.107779