High energy ion beam analysis on polymers at cryogenic temperatures

M.P. Jong, de, L.J. IJzendoorn, van, M.J.A. Voigt, de

    Research output: Contribution to journalArticleAcademicpeer-review

    10 Citations (Scopus)


    We recently constructed a high energy ion scattering (HEIS) setup in which samples can be cooled to cryogenic temperatures to suppress ion beam induced damage in polymers. A closed cycle helium gas cooler provides the cooling power of 2 W at 10 K. The setup is equipped with a sample mount that enables sample exchange via a load lock system, while ensuring a good thermal contact with the sample holder by a shrink coupling. We investigated the effects of sample cooling on HEIS measurements on model polymer light emitting diodes and polyacrylate films. It can be concluded that hydrogen loss can be decreased from 50% to 10% for the same irradiation dose, and much more accurate depth profiling of elements is possible.
    Original languageEnglish
    Pages (from-to)207-210
    Number of pages4
    JournalNuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms
    Issue number1
    Publication statusPublished - 2000


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