Guiding of slow neon and molecular hydrogen ions through nanocapillaries in PET

N. Stolterfoht, R. Hellhammer, P. Sobocinski, Z. D. Pešić, J. Bundesmann, B. Sulik, M. B. Shah, K. Dunn, J. Pedregosa, R. W. McCullough

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

The transmission profiles of atomic 3 keV Ne7+ ions and molecular 1 keV H2+ and H3+ ions passing through nanocapillaries were studied. Capillaries with a diameter of 100 nm and a length of 10 μm in insulating PET polymers were used. The high aspect ratio of 100 is achieved by the method of etching ion tracks produced by high-energy xenon impact. The angular distributions of the transmitted projectiles show that the majority of ions are transported in their initial charge state along the capillary axis even when the capillaries are tilted with respect to the incident beam direction. This result indicates ion-guiding, which is produced by charge-up effects influencing the ion trajectories in a self-supporting manner. The guiding effects are found to be different for highly charged neon and singly charged molecular hydrogen. Negligible fragmentation of the molecular ions was observed.

Original languageEnglish
Pages (from-to)460-467
Number of pages8
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume235
Issue number1-4
DOIs
Publication statusPublished - Jul 2005

Fingerprint

Neon
hydrogen ions
molecular ions
neon
Protons
Ions
Hydrogen
ions
Xenon
Polyethylene Terephthalates
high aspect ratio
Angular distribution
xenon
Projectiles
projectiles
fragmentation
angular distribution
Aspect ratio
Etching
etching

Keywords

  • Capillary guiding
  • Highly charged ions
  • Molecular ions
  • Nanocapillary
  • PET polymer
  • Transmission profiles

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Instrumentation
  • Surfaces and Interfaces

Cite this

Guiding of slow neon and molecular hydrogen ions through nanocapillaries in PET. / Stolterfoht, N.; Hellhammer, R.; Sobocinski, P.; Pešić, Z. D.; Bundesmann, J.; Sulik, B.; Shah, M. B.; Dunn, K.; Pedregosa, J.; McCullough, R. W.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 235, No. 1-4, 07.2005, p. 460-467.

Research output: Contribution to journalArticle

Stolterfoht, N, Hellhammer, R, Sobocinski, P, Pešić, ZD, Bundesmann, J, Sulik, B, Shah, MB, Dunn, K, Pedregosa, J & McCullough, RW 2005, 'Guiding of slow neon and molecular hydrogen ions through nanocapillaries in PET', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 235, no. 1-4, pp. 460-467. https://doi.org/10.1016/j.nimb.2005.03.225
Stolterfoht, N. ; Hellhammer, R. ; Sobocinski, P. ; Pešić, Z. D. ; Bundesmann, J. ; Sulik, B. ; Shah, M. B. ; Dunn, K. ; Pedregosa, J. ; McCullough, R. W. / Guiding of slow neon and molecular hydrogen ions through nanocapillaries in PET. In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2005 ; Vol. 235, No. 1-4. pp. 460-467.
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