Guided transmission of 3 keV Ne7+ ions through nanocapillaries etched in a PET polymer

N. Stolterfoht, V. Hoffmann, R. Hellhammer, Z. D. Pešić, D. Fink, A. Petrov, B. Sulik

Research output: Contribution to journalConference article

56 Citations (Scopus)


We measured the transmission of 3 keV Ne7+ ions through capillaries of 100 nm diameter and 10 μm length produced by etching ion tracks in a polyethylene terephthalate polymer foil. The foils were tilted up to ±25° for which the incident ions are forced to interact with the capillary surface. The majority of Ne7+ ions were found to survive the transmission in their initial charge state. For tilted foils the angular distributions of the transmitted particles indicate propagation of the Ne7+ ions parallel to the capillary axis. This capillary guiding of the Ne7+ ion provides evidence that part of the ions deposit charges within the capillaries in a self-organizing process so that a considerable fraction of the ions is transmitted through the capillaries. A non-linear model is introduced to describe the essential features of the capillary guiding.

Original languageEnglish
Pages (from-to)246-253
Number of pages8
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Publication statusPublished - Apr 1 2003
EventIISC-14 - Ameland, Netherlands
Duration: Sep 8 2002Sep 13 2002


  • Capillaries
  • Highly charged
  • Ion guiding
  • Self-organizing

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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