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Application of carbon nanotube wire for beam profile measurement of negative hydrogen ion beam

Journal of physics. Conference series, 2018-09, Vol.1067 (7), p.72020 [Peer Reviewed Journal]

Published under licence by IOP Publishing Ltd ;2018. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1742-6588 ;EISSN: 1742-6596 ;DOI: 10.1088/1742-6596/1067/7/072020

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  • Title:
    Application of carbon nanotube wire for beam profile measurement of negative hydrogen ion beam
  • Author: Miura, A ; Miyao, T ; Moriya, K
  • Subjects: Carbon ; Carbon fiber reinforced plastics ; Carbon nanotubes ; Electrical resistivity ; Hydrogen ions ; Ion beams ; Polyacrylonitrile ; Profile measurement ; Tensile strength ; Wire
  • Is Part Of: Journal of physics. Conference series, 2018-09, Vol.1067 (7), p.72020
  • Description: A wire-scanner monitor (WSM) using metallic wire is reliably employed for the beam-profile measurement. Because the loading of negative hydrogen (H−) ion beam on a wire increases under high-current beam operation, we focus on using a high-durability beam profile monitors by attaching another wire material. Carbon nanotube (CNT) has a tensile strength not less than 100 times that of steel. The electric conductivity has higher than that of metals, and hardness is endured thermally around 3000 °C in a vacuum circumstance. We applied the CNT wire to WSM and measured transverse profiles with a 3-MeV H− beam. As a result, we obtained the equivalent signal levels taken by carbon fiber made of polyacrylonitrile without significant damage. The signal response, the beam profile and the surface observation were discussed in this paper.
  • Publisher: Bristol: IOP Publishing
  • Language: English
  • Identifier: ISSN: 1742-6588
    EISSN: 1742-6596
    DOI: 10.1088/1742-6596/1067/7/072020
  • Source: IOP Publishing Free Content
    IOPscience (Open Access)
    GFMER Free Medical Journals
    ProQuest Central
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