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Velocity effect in swift heavy ion irradiation: how the low- and high-energy track formation thresholds meet
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SYSNO ASEP 0584105 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Velocity effect in swift heavy ion irradiation: how the low- and high-energy track formation thresholds meet Author(s) Rymzhanov, R.A. (RU)
Medvedev, Nikita (FZU-D) ORCID, RID
Volkov, A.E. (RU)Number of authors 3 Source Title Journal of Materials Science. - : Springer - ISSN 0022-2461
Roč. 58, č. 35 (2023), s. 14072-14079Number of pages 8 s. Language eng - English Country DE - Germany Keywords computation and theory ; swift heavy ion irradiation ; multiscale approach applied combining TREKIS-3 code with classical molecular dynamics tracing Subject RIV BE - Theoretical Physics OECD category Fluids and plasma physics (including surface physics) R&D Projects LTT17015 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LM2018114 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) EF18_053/0016627 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Limited access Institutional support FZU-D - RVO:68378271 UT WOS 001065292100002 EID SCOPUS 85171173093 DOI 10.1007/s10853-023-08898-2 Annotation Variations of the threshold of swift heavy ion track formation with the ion energy and mass are studied here. We apply the hybrid multiscale approach combining TREKIS-3 code describing the electronic kinetics with the classical molecular dynamics tracing the evolution of the excited lattice. The results demonstrate that with a lowering of the energy loss curve (by choosing lighter ions for irradiation), the high-velocity threshold starts to shift down, whereas the low-velocity one remains constant until the thresholds meet. For certain ion parameters, a situation is possible in which both thresholds (low- and high-velocity) lie at the low-energy shoulder of the Bragg curve which results from the mismatch between the ion energy positions of the maximal track radius and the Bragg peak. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2024 Electronic address https://doi.org/10.1007/s10853-023-08898-2
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