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Study of polycarbonate degradation induced by irradiation with He+ ions

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Abstract

A stack of five polycarbonate foils, each 1.4 μm thick, was irradiated with 1.3 MeV 4He+ ions to the dose of 1.1 × 1014 cm−2. Ion beam induced polymer degradation, as a function of the particle energy, was studied by UV-VIS and IR spectroscopy of individual foils. In the irradiated foils, a significant reduction of characteristic absorption bands is observed, indicating polymer degradation. Significant increase of the surface polarity, characterized by a polar component of the surface free energy, is also found. Both the degree of the polymer degradation and the surface polarity correlate with the total energy deposited by 4He+ ions in the foils.

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Authors and Affiliations

  1. Department of Solid State Engineering, Institute of Chemical Technology, 166 28, Prague, Czech Republic

    Václav Švorčik, Vladimír Rybka & Ivo Miček

  2. Institute of Nuclear Research, Czech Academy of Sciences, 250 68, Řez, Czech Republic

    Vladimír Hnatowicz & Jiří Kvítek

Authors
  1. Václav Švorčik
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  2. Vladimír Rybka
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  3. Ivo Miček
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  4. Vladimír Hnatowicz
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  5. Jiří Kvítek
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Švorčik, V., Rybka, V., Miček, I. et al. Study of polycarbonate degradation induced by irradiation with He+ ions. Journal of Materials Research 10, 468–472 (1995). https://doi.org/10.1557/JMR.1995.0468

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  • DOI: https://doi.org/10.1557/JMR.1995.0468

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