Simulation of ion guiding through insulating capillaries

Effects of inter-capillary interaction

K. Schiessl, W. Palfinger, K. Tőkési, H. Nowotny, C. Lemell, J. Burgdörfer

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Nanocapillaries through insulating foils (PET or "Mylar") have received interest as a target for beams of slow highly-charged ions. Transmission of projectiles in their initial charge state have been measured for angles of incidence larger than the geometrical opening angle. Ions are guided along the capillary axis and do not closely interact with the inner walls of the capillary. We have developed a classical trajectory transport theory of this self-organized guiding process that relates the microscopic charge-up with macroscopic material properties and includes multi-capillary effects on a phenomenological level. Transmission coefficients are investigated, yielding good agreement with experimental data. The dependence of angular spread of transmitted ions on the angle of incidence and incident energy can be correctly described.

Original languageEnglish
Pages (from-to)150-154
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume258
Issue number1
DOIs
Publication statusPublished - May 2007

Fingerprint

Ions
incidence
Mylar (trademark)
ions
simulation
transport theory
interactions
Projectiles
Metal foil
projectiles
foils
Materials properties
Trajectories
trajectories
coefficients
energy
Lavsan

Keywords

  • Guiding
  • Highly-charged ions
  • Nanocapillaries
  • Self-organized

ASJC Scopus subject areas

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

Cite this

Simulation of ion guiding through insulating capillaries : Effects of inter-capillary interaction. / Schiessl, K.; Palfinger, W.; Tőkési, K.; Nowotny, H.; Lemell, C.; Burgdörfer, J.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 258, No. 1, 05.2007, p. 150-154.

Research output: Contribution to journalArticle

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