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X-ray radiation damage cycle of solvated inorganic ions

Author

Listed:
  • Dana Bloß

    (University of Kassel)

  • Florian Trinter

    (Fritz-Haber-Institut der Max-Planck-Gesellschaft
    Goethe-Universität Frankfurt)

  • Isaak Unger

    (Uppsala University)

  • Christina Zindel

    (University of Kassel)

  • Carolin Honisch

    (University of Kassel)

  • Johannes Viehmann

    (University of Kassel)

  • Nils Kiefer

    (University of Kassel)

  • Lutz Marder

    (University of Kassel)

  • Catmarna Küstner-Wetekam

    (University of Kassel)

  • Emilia Heikura

    (University of Kassel)

  • Lorenz S. Cederbaum

    (University of Heidelberg)

  • Olle Björneholm

    (Uppsala University)

  • Uwe Hergenhahn

    (Fritz-Haber-Institut der Max-Planck-Gesellschaft)

  • Arno Ehresmann

    (University of Kassel)

  • Andreas Hans

    (University of Kassel)

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.

Suggested Citation

  • Dana Bloß & Florian Trinter & Isaak Unger & Christina Zindel & Carolin Honisch & Johannes Viehmann & Nils Kiefer & Lutz Marder & Catmarna Küstner-Wetekam & Emilia Heikura & Lorenz S. Cederbaum & Olle , 2024. "X-ray radiation damage cycle of solvated inorganic ions," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-48687-2
    DOI: 10.1038/s41467-024-48687-2
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    References listed on IDEAS

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    1. Katrein Sauer & Ivo Zizak & Jean-Baptiste Forien & Alexander Rack & Ernesto Scoppola & Paul Zaslansky, 2022. "Primary radiation damage in bone evolves via collagen destruction by photoelectrons and secondary emission self-absorption," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
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