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Ion Track Etching Revisited: IV. Thermal annealing of fresh swift heavy ion-irradiated PET in different environments

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    SYSNO ASEP0542564
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleIon Track Etching Revisited: IV. Thermal annealing of fresh swift heavy ion-irradiated PET in different environments
    Author(s) Vacík, Jiří (UJF-V) RID, ORCID, SAI
    Hnatowicz, Vladimír (UJF-V) RID
    Kiv, A. (IL)
    Fink, Dietmar (UJF-V) ORCID, SAI
    Number of authors4
    Source TitleRadiation Effects and Defects in Solids. - : Taylor & Francis - ISSN 1042-0150
    Roč. 176, 1-2 (2021), s. 17-37
    Number of pages21 s.
    Publication formPrint - P
    Languageeng - English
    CountryGB - United Kingdom
    KeywordsPolyethylene terephthalate ; ion irradiation ; etching
    Subject RIVBG - Nuclear, Atomic and Molecular Physics, Colliders
    OECD categoryNuclear physics
    R&D ProjectsLM2015056 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
    Research InfrastructureReactors LVR-15 and LR-0 II - 90120 - Centrum výzkumu Řež s.r.o.
    CANAM II - 90056 - Ústav jaderné fyziky AV ČR, v. v. i.
    Method of publishingLimited access
    Institutional supportUJF-V - RVO:61389005
    UT WOS000639352900003
    EID SCOPUS85104361497
    DOI10.1080/10420150.2021.1891056
    AnnotationMany studies have already been performed on the thermal annealing of fresh and aged swift heavy ion-irradiated polymers in a vacuum. In this paper we examine the influence of different environments on annealing behaviour. The basic tool for this study is current/voltage spectroscopy with the alternating voltage applied across the etched tracks. In previous work of this series it was shown for etching of previously annealed aged swift heavy ion-irradiated polyethylene terephthalate foils in dry air that at similar to 50 degrees C, a dip overlapped the expected Arrhenius correlation in the Arrhenius plot of the etchant breakthrough times. We had attributed that dip tentatively to the etching of the swift heavy ion track core material, as the latter had been subjected to extremely high radiation-damage and thus differs strongly in its composition from pristine bulk material. Repetition of this experiment under different annealing environments enables us to draw conclusions about the competition between the different polymeric disintegration and healing mechanisms in swift heavy ion tracks. These results should be useful for better estimation of the polymeric durability in different environments. First tests with polyimide reveals that a similar dip structure also shows up here, indicating that this finding may be a general effect for annealing of ion-irradiated polymers.
    WorkplaceNuclear Physics Institute
    ContactMarkéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228
    Year of Publishing2022
    Electronic addresshttps://doi.org/10.1080/10420150.2021.1891056
Number of the records: 1  

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