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Date
2024-05-30Author
Bloß, DanaTrinter, FlorianUnger, IsaakZindel, ChristinaHonisch, CarolinViehmann, JohannesKiefer, NilsMarder, LutzKüstner-Wetekam, CatmarnaHeikura, Emilia JasmiinaCederbaum, Lorenz SrulekBjörneholm, OlleHergenhahn, UweEhresmann, ArnoHans, AndreasSubject
530 Physics 540 Chemistry RöntgenstrahlungStrahlenschadenIonStrahlenchemieEnergietransfer <Mikrophysik>ElektronentransferMetadata
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X-ray radiation damage cycle of solvated inorganic ions
Abstract
X-ray-induced damage is one of the key topics in radiation chemistry. Substantial damage is attributed to low-energy electrons and radicals emerging from direct inner-shell photoionization or produced by subsequent processes. We apply multi-electron coincidence spectroscopy to X-ray-irradiated aqueous solutions of inorganic ions to investigate the production of low-energy electrons (LEEs) in a predicted cascade of intermolecular charge- and energy-transfer processes, namely electron-transfer-mediated decay (ETMD) and interatomic/intermolecular Coulombic decay (ICD). An advanced coincidence technique allows us to identify several LEE-producing steps during the decay of 1s vacancies in solvated Mg2+ ions, which escaped observation in previous non-coincident experiments. We provide strong evidence for the predicted recovering of the ion’s initial state. In natural environments the recovering of the ion’s initial state is expected to cause inorganic ions to be radiation-damage hot spots, repeatedly producing destructive particles under continuous irradiation.
Citation
In: Nature Communications Volume 15 (2024-05-30) eissn:2041-1723Sponsorship
Gefördert im Rahmen des Projekts DEALCitation
@article{doi:10.17170/kobra-2024082910748,
author={Bloß, Dana and Trinter, Florian and Unger, Isaak and Zindel, Christina and Honisch, Carolin and Viehmann, Johannes and Kiefer, Nils and Marder, Lutz and Küstner-Wetekam, Catmarna and Heikura, Emilia Jasmiina and Cederbaum, Lorenz Srulek and Björneholm, Olle and Hergenhahn, Uwe and Ehresmann, Arno and Hans, Andreas},
title={X-ray radiation damage cycle of solvated inorganic ions},
journal={Nature Communications},
year={2024}
}
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2024-09-04T13:17:44Z 2024-09-04T13:17:44Z 2024-05-30 doi:10.17170/kobra-2024082910748 http://hdl.handle.net/123456789/16022 Gefördert im Rahmen des Projekts DEAL eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ atomic and molecular interactions with photons chemical physics electron transfer energy transfer 530 540 X-ray radiation damage cycle of solvated inorganic ions Aufsatz X-ray-induced damage is one of the key topics in radiation chemistry. Substantial damage is attributed to low-energy electrons and radicals emerging from direct inner-shell photoionization or produced by subsequent processes. We apply multi-electron coincidence spectroscopy to X-ray-irradiated aqueous solutions of inorganic ions to investigate the production of low-energy electrons (LEEs) in a predicted cascade of intermolecular charge- and energy-transfer processes, namely electron-transfer-mediated decay (ETMD) and interatomic/intermolecular Coulombic decay (ICD). An advanced coincidence technique allows us to identify several LEE-producing steps during the decay of 1s vacancies in solvated Mg2+ ions, which escaped observation in previous non-coincident experiments. We provide strong evidence for the predicted recovering of the ion’s initial state. In natural environments the recovering of the ion’s initial state is expected to cause inorganic ions to be radiation-damage hot spots, repeatedly producing destructive particles under continuous irradiation. open access Bloß, Dana Trinter, Florian Unger, Isaak Zindel, Christina Honisch, Carolin Viehmann, Johannes Kiefer, Nils Marder, Lutz Küstner-Wetekam, Catmarna Heikura, Emilia Jasmiina Cederbaum, Lorenz Srulek Björneholm, Olle Hergenhahn, Uwe Ehresmann, Arno Hans, Andreas doi:10.1038/s41467-024-48687-2 Röntgenstrahlung Strahlenschaden Ion Strahlenchemie Energietransfer <Mikrophysik> Elektronentransfer publishedVersion eissn:2041-1723 Nature Communications Volume 15 false
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