Long-term stable transmission of 3-keV Ne7+ ions guided through nanocapillaries in polymers

Stolterfoht, N. and Herczku, P. and Juhász, Z. and Kovács, S. T. S. and Rácz, R. and Biri, S. and Sulik, B. (2016) Long-term stable transmission of 3-keV Ne7+ ions guided through nanocapillaries in polymers. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 387. pp. 96-102. ISSN 0168-583X

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We studied blocking effects on 3-keV Ne7+ ion guiding through nanocapillaries in highly insulating polyethylene terephthalate (PET) manufactured at different laboratories. The experiments were motivated in view of previous measurement with PET capillaries prepared at the GSI Helmholtz-Zentrum for which significant blocking effects were observed, whereas in various previous studies with PET capillaries these effects could not be detected. As the blocking effect on the GSI capillaries strongly depends on their areal density, similar dependencies were studied with the FLNR capillaries. Long-term stable transmission was observed for all densities of the FLNR capillaries in contrast to the previous results. These observations are interpreted by differences in the capillary surface conductivities in accordance with charge patch formations within the capillaries. It is pointed out that the observed stable transmission is favorable for applications of ion guiding in capillaries.

Item Type: Article
Subjects: Q Science / természettudomány > QC Physics / fizika
Q Science / természettudomány > QC Physics / fizika > QC04 Electricity. Magnetism. Electromagnetism / villamosság, mágnesesség, elektromágnessesség
Depositing User: Dóra Zolnai
Date Deposited: 29 Nov 2016 09:13
Last Modified: 29 Nov 2016 09:13

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