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Stimulated resonant inelastic X-ray scattering in a solid
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(2022) Stimulated resonant inelastic X-ray scattering in a solid. Communications Physics, 5 (1). 83. doi:10.1038/s42005-022-00857-8 ISSN 2399-3650.
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Official URL: https://doi.org/10.1038/s42005-022-00857-8
Abstract
When materials are exposed to X-ray pulses with sufficiently high intensity, various nonlinear effects can occur. The most fundamental one consists of stimulated electronic decays after resonant absorption of X-rays. Such stimulated decays enhance the number of emitted photons and the emission direction is confined to that of the stimulating incident photons which clone themselves in the process. Here we report the observation of stimulated resonant elastic (REXS) and inelastic (RIXS) X-ray scattering near the cobalt L3 edge in solid Co/Pd multilayer samples. We observe an enhancement of order 106 of the stimulated over the conventional spontaneous RIXS signal into the small acceptance angle of the RIXS spectrometer. We also find that in solids both stimulated REXS and RIXS spectra contain contributions from inelastic electron scattering processes, even for ultrashort 5 fs pulses. Our results reveal the potential and caveats of the development of stimulated RIXS in condensed matter.
Item Type: | Journal Article | ||||||
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Subjects: | Q Science > QC Physics | ||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
SWORD Depositor: | Library Publications Router | ||||||
Library of Congress Subject Headings (LCSH): | X-rays -- Scattering , Photons -- Scattering, Condensed matter , Auger effect | ||||||
Journal or Publication Title: | Communications Physics | ||||||
Publisher: | Nature Publishing Group UK | ||||||
ISSN: | 2399-3650 | ||||||
Official Date: | 6 April 2022 | ||||||
Dates: |
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Volume: | 5 | ||||||
Number: | 1 | ||||||
Article Number: | 83 | ||||||
DOI: | 10.1038/s42005-022-00857-8 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||
Date of first compliant deposit: | 22 April 2022 | ||||||
Date of first compliant Open Access: | 22 April 2022 | ||||||
RIOXX Funder/Project Grant: |
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