We studied the dynamic properties of ion guiding through nanocapillaries in insulating polyethylene terephthalate (PET). The angular distribution of the transmitted ions was measured as a function of time. The temporal evolution of the angular transmission profiles was acquired for the capillary diameters of 200 and 400 nm. The tilt angle was varied from 0° to 6.5°. The transmission profiles exhibit significant changes in position as time varies. This observation is explained by the formation of temporary charge patches produced in the interior of the capillary besides the primary charge patch created in the entrance region.</p

Bodewits, E.

Dang, H.

De Nijs, A.

Fink, D.

Hellhammer, R.

Hoekstra, R.

Juhász, Z.

Stolterfoht, N.

Sulik, B.

English

Proceedings - University of Groningen

   University of GroningenRole of charge patches in ion guiding through nanocapillaries in a PET polymerStolterfoht, N.; Hellhammer, R.; Fink, D.; Sulik, B.; Juhász, Z.; Bodewits, E.; De Nijs, A.;Dang, H.; Hoekstra, R.Published in:XXVI International Conference on Photonic, Electronic and Atomic CollisionsDOI:10.1088/1742-6596/194/13/132031IMPORTANT NOTE: You are advised to consult the publisher's version (publisher's PDF) if you wish to cite fromit. Please check the document version below.Document VersionPublisher's PDF, also known as Version of recordPublication date:2009Link to publication in University of Groningen/UMCG research databaseCitation for published version (APA):Stolterfoht, N., Hellhammer, R., Fink, D., Sulik, B., Juhász, Z., Bodewits, E., De Nijs, A., Dang, H., &Hoekstra, R. (2009). Role of charge patches in ion guiding through nanocapillaries in a PET polymer. InXXVI International Conference on Photonic, Electronic and Atomic Collisions (Journal of Physics:Conference Series; Vol. 194, No. 13). IoP Publishing. https://doi.org/10.1088/1742-6596/194/13/132031CopyrightOther than for strictly personal use, it is not permitted to download or to forward/distribute the text or part of it without the consent of theauthor(s) and/or copyright holder(s), unless the work is under an open content license (like Creative Commons).The publication may also be distributed here under the terms of Article 25fa of the Dutch Copyright Act, indicated by the “Taverne” license.More information can be found on the University of Groningen website: https://www.rug.nl/library/open-access/self-archiving-pure/taverne-amendment.Take-down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediatelyand investigate your claim.Downloaded from the University of Groningen/UMCG research database (Pure): http://www.rug.nl/research/portal. For technical reasons thenumber of authors shown on this cover page is limited to 10 maximum.Download date: 11-09-2023Journal of Physics: Conference SeriesOPEN ACCESSRole of charge patches in ion guiding throughnanocapillaries in a PET polymerTo cite this article: N Stolterfoht et al 2009 J. Phys.: Conf. Ser. 194 132031 View the article online for updates and enhancements.You may also likeSimulations of guiding of low-energy ionsthrough a single nanocapillary in insulatingmaterialsShi-Dong Liu,  , Yong-Tao Zhao et al.-Ion guiding in macro-size insulatingcapillaries: straight, tapered, and curvedshapesTakao M Kojima-Guided transmission of xenon ionsthrough single nanohole in PC foilY Y Wang, Y T Zhao, G Xiao et al.-This content was downloaded from IP address 94.208.121.57 on 26/07/2023 at 13:37Role of charge patches in ion guiding through nanocapillaries in a PET polymer N. Stolterfoht1*, R. Hellhammer1, D. Fink1, B. Sulik2, Z. Juhász2, E. Bodewits3, A. de Nijs3, H. Dang3, and R. Hoekstra3 1Helmholtz-Zentrum Berlin für Materialien und Energie, Glienickerstrasse 100, D-14109 Berlin, Germany 2Institute of Nuclear Research (ATOMKI), H-4001 Debrecen, Hungary 3KVI Atomic Physics, University of Groningen, 9747 AA Groningen, The Netherlands Synopsis: We studied the dynamic properties of ion guiding through nanocapillaries in insulating polyethylene terephthalate (PET). The angular distribution of the transmitted ions was measured as a function of time. The temporal evolution of the angular transmission profiles was acquired for the capillary diameters of 200 and 400 nm. The tilt angle was varied from 0° to 6.5°. The transmission profiles exhibit significant changes in position as time varies. This observation is explained by the formation of temporary charge patches produced in the interior of the capillary besides the primary charge patch created in the entrance region. The guided transmission of highly charged ions through nanocapillaries in insulating mate-rial has received considerable attention [1]. The guiding phenomenon implies that a highly charged ion preserves its incident charge state during the transmission through the capillaries. Evidently, the ions do not suffer close collisions with the capillary wall even when they are tilted with respect to the incident beam direction.  The ion guiding is provided by the self-organizing built-up of a significant charge patch located near the entrance region. Additional weaker patches may temporarily be produced after the formation of the first patch. They change their position and strength so that dynamic properties of the ion guiding become important. Experimentally, the dynamic effects can be observed by measuring transmission profiles (i.e., the angular distributions of the emitted ions) as a function of time [1-3]. The left-hand column of Fig. 1 contain a series of transmission profiles for the capillary diameters of 200 nm. Each transmission profile is normalized to the deposited beam charge, which is a measure of time. Each profile indicates the total charge Qd collected till the instant when the profile is measured. The transmission profiles exhibit three peak structures, whose positions appear to be rather constant. Hence we fitted the experimental data by a superposition of three Gauss functions. Except for the central peak at 5° the positions of the first and third peak were treated as adjustable parameters, as well as the all peak heights. The mean values of the emission angle are varying as shown in the right-hand column of Fig. 1. The results exhibit oscillatory dis-placements within a wide angular range. We attribute the oscillatory behavior to tempo-rary charge patches formed inside the capillaries. This conclusion is based on the finding that at the reversal points, the mean angles deviates from central angle 5° by more than the aspect angle of 1°.  The occurrence of three peaks with rather fixed positions may be counterintuitive, since the transmission profile is continuously moving with an oscillatory behavior. However, the dis-tinct peaks were identified in several measure-ments after changing the tilt angle and the capillary diameter.  References [1] Stolterfoht N. et al. 2002 Phys. Rev. Lett. 88 133201 and             Stolterfoht N. et al. 2009 Phys. Rev. A 79 022901. [2] Skog P. et al. 2008 Phys. Rev. Lett. 101 223202. [3] Kanai Y. et al. 2009 Phys. Rev. A 79 012711   Acknowledgement The work was financially supported by the European Network ITSLEIF RII3-026015.  *E-mail: nico@stolterfoht.com Fig. 1: Transmission profiles for 3 keV Ne7+ ionspassed through 200 nm PET capillaries and theirprofile mean emission angle.  XXVI International Conference on Photonic, Electronic and Atomic Collisions IOP PublishingJournal of Physics: Conference Series 194 (2009) 132031 doi:10.1088/1742-6596/194/13/132031c© 2009 IOP Publishing Ltd 1

Role of charge patches in ion guiding through nanocapillaries in a PET polymer

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   University of GroningenRole of charge patches in ion guiding through nanocapillaries in a PET polymerStolterfoht, N.; Hellhammer, R.; Fink, D.; Sulik, B.; Juhász, Z.; Bodewits, E.; De Nijs, A.;Dang, H.; Hoekstra, R.Published in:XXVI International Conference on Photonic, Electronic and Atomic CollisionsDOI:10.1088/1742-6596/194/13/132031IMPORTANT NOTE: You are advised to consult the publisher's version (publisher's PDF) if you wish to cite fromit. Please check the document version below.Document VersionPublisher's PDF, also known as Version of recordPublication date:2009Link to publication in University of Groningen/UMCG research databaseCitation for published version (APA):Stolterfoht, N., Hellhammer, R., Fink, D., Sulik, B., Juhász, Z., Bodewits, E., De Nijs, A., Dang, H., &Hoekstra, R. (2009). Role of charge patches in ion guiding through nanocapillaries in a PET polymer. InXXVI International Conference on Photonic, Electronic and Atomic Collisions (Journal of Physics:Conference Series; Vol. 194, No. 13). IoP Publishing. https://doi.org/10.1088/1742-6596/194/13/132031CopyrightOther than for strictly personal use, it is not permitted to download or to forward/distribute the text or part of it without the consent of theauthor(s) and/or copyright holder(s), unless the work is under an open content license (like Creative Commons).The publication may also be distributed here under the terms of Article 25fa of the Dutch Copyright Act, indicated by the “Taverne” license.More information can be found on the University of Groningen website: https://www.rug.nl/library/open-access/self-archiving-pure/taverne-amendment.Take-down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediatelyand investigate your claim.Downloaded from the University of Groningen/UMCG research database (Pure): http://www.rug.nl/research/portal. For technical reasons thenumber of authors shown on this cover page is limited to 10 maximum.Download date: 05-12-2023Journal of Physics: Conference SeriesOPEN ACCESSRole of charge patches in ion guiding throughnanocapillaries in a PET polymerTo cite this article: N Stolterfoht et al 2009 J. Phys.: Conf. Ser. 194 132031 View the article online for updates and enhancements.You may also likeSimulations of guiding of low-energy ionsthrough a single nanocapillary in insulatingmaterialsShi-Dong Liu,  , Yong-Tao Zhao et al.-Ion guiding in macro-size insulatingcapillaries: straight, tapered, and curvedshapesTakao M Kojima-Guided transmission of xenon ionsthrough single nanohole in PC foilY Y Wang, Y T Zhao, G Xiao et al.-This content was downloaded from IP address 94.208.121.57 on 26/07/2023 at 13:37Role of charge patches in ion guiding through nanocapillaries in a PET polymer N. Stolterfoht1*, R. Hellhammer1, D. Fink1, B. Sulik2, Z. Juhász2, E. Bodewits3, A. de Nijs3, H. Dang3, and R. Hoekstra3 1Helmholtz-Zentrum Berlin für Materialien und Energie, Glienickerstrasse 100, D-14109 Berlin, Germany 2Institute of Nuclear Research (ATOMKI), H-4001 Debrecen, Hungary 3KVI Atomic Physics, University of Groningen, 9747 AA Groningen, The Netherlands Synopsis: We studied the dynamic properties of ion guiding through nanocapillaries in insulating polyethylene terephthalate (PET). The angular distribution of the transmitted ions was measured as a function of time. The temporal evolution of the angular transmission profiles was acquired for the capillary diameters of 200 and 400 nm. The tilt angle was varied from 0° to 6.5°. The transmission profiles exhibit significant changes in position as time varies. This observation is explained by the formation of temporary charge patches produced in the interior of the capillary besides the primary charge patch created in the entrance region. The guided transmission of highly charged ions through nanocapillaries in insulating mate-rial has received considerable attention [1]. The guiding phenomenon implies that a highly charged ion preserves its incident charge state during the transmission through the capillaries. Evidently, the ions do not suffer close collisions with the capillary wall even when they are tilted with respect to the incident beam direction.  The ion guiding is provided by the self-organizing built-up of a significant charge patch located near the entrance region. Additional weaker patches may temporarily be produced after the formation of the first patch. They change their position and strength so that dynamic properties of the ion guiding become important. Experimentally, the dynamic effects can be observed by measuring transmission profiles (i.e., the angular distributions of the emitted ions) as a function of time [1-3]. The left-hand column of Fig. 1 contain a series of transmission profiles for the capillary diameters of 200 nm. Each transmission profile is normalized to the deposited beam charge, which is a measure of time. Each profile indicates the total charge Qd collected till the instant when the profile is measured. The transmission profiles exhibit three peak structures, whose positions appear to be rather constant. Hence we fitted the experimental data by a superposition of three Gauss functions. Except for the central peak at 5° the positions of the first and third peak were treated as adjustable parameters, as well as the all peak heights. The mean values of the emission angle are varying as shown in the right-hand column of Fig. 1. The results exhibit oscillatory dis-placements within a wide angular range. We attribute the oscillatory behavior to tempo-rary charge patches formed inside the capillaries. This conclusion is based on the finding that at the reversal points, the mean angles deviates from central angle 5° by more than the aspect angle of 1°.  The occurrence of three peaks with rather fixed positions may be counterintuitive, since the transmission profile is continuously moving with an oscillatory behavior. However, the dis-tinct peaks were identified in several measure-ments after changing the tilt angle and the capillary diameter.  References [1] Stolterfoht N. et al. 2002 Phys. Rev. Lett. 88 133201 and             Stolterfoht N. et al. 2009 Phys. Rev. A 79 022901. [2] Skog P. et al. 2008 Phys. Rev. Lett. 101 223202. [3] Kanai Y. et al. 2009 Phys. Rev. A 79 012711   Acknowledgement The work was financially supported by the European Network ITSLEIF RII3-026015.  *E-mail: nico@stolterfoht.com Fig. 1: Transmission profiles for 3 keV Ne7+ ionspassed through 200 nm PET capillaries and theirprofile mean emission angle.  XXVI International Conference on Photonic, Electronic and Atomic Collisions IOP PublishingJournal of Physics: Conference Series 194 (2009) 132031 doi:10.1088/1742-6596/194/13/132031c© 2009 IOP Publishing Ltd 1

https://pure.rug.nl/ws/files/721141262/N_Stolterfoht_2009_J._Phys._Conf._Ser._194_132031.pdf

Role of charge patches in ion guiding through nanocapillaries in a PET polymer

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