Journal article
Resonant inelastic x-ray scattering in warm-dense Fe compounds beyond the SASE FEL resolution limit
- Abstract:
- Resonant inelastic x-ray scattering (RIXS) is a widely used spectroscopic technique, providing access to the electronic structure and dynamics of atoms, molecules, and solids. However, RIXS requires a narrow bandwidth x-ray probe to achieve high spectral resolution. The challenges in delivering an energetic monochromated beam from an x-ray free electron laser (XFEL) thus limit its use in few-shot experiments, including for the study of high energy density systems. Here we demonstrate that by correlating the measurements of the self-amplified spontaneous emission (SASE) spectrum of an XFEL with the RIXS signal, using a dynamic kernel deconvolution with a neural surrogate, we can achieve electronic structure resolutions substantially higher than those normally afforded by the bandwidth of the incoming x-ray beam. We further show how this technique allows us to discriminate between the valence structures of Fe and Fe2O3, and provides access to temperature measurements as well as M-shell binding energies estimates in warm-dense Fe compounds.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, pdf, 1.3MB, Terms of use)
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- Publisher copy:
- 10.1038/s42005-024-01752-0
Authors
- Publisher:
- Springer Nature
- Journal:
- Communications Physics More from this journal
- Volume:
- 7
- Issue:
- 1
- Article number:
- 266
- Publication date:
- 2024-08-06
- Acceptance date:
- 2024-07-18
- DOI:
- EISSN:
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2399-3650
- Language:
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English
- Pubs id:
-
2018297
- Local pid:
-
pubs:2018297
- Deposit date:
-
2024-07-26
Terms of use
- Copyright holder:
- Crown
- Copyright date:
- 2024
- Rights statement:
- © Crown 2024. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.
- Licence:
- CC Attribution (CC BY)
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