Radio frequency siliconization: An approach to the coating for the future large superconducting fusion devices

  • J. Li
  • , Y. P. Zhao
  • , B. N. Wan
  • , X. Z. Gong
  • , M. Zhen
  • , X. M. Gu
  • , X. D. Zhang
  • , J. R. Luo
  • , Y. X. Wan
  • , J. K. Xie
  • , C. F. Li
  • , J. L. Chen
  • , K. Toi
  • , N. Noda
  • , T. Watari

Research output: Contribution to journalArticlepeer-review

Abstract

Radio frequency (rf) siliconization was tested on the superconducting tokamak in the presence of high magnetic field. A stable region was obtained and plasma performance was improved after each siliconization due to reduction in impurities. Particle confinement time increased by a factor of two and energy confinement time increased more than 50%. Results showed that the confinement improvement is due to the reduction of the electron thermal diffusivity in the plasma.

Original languageEnglish
Pages (from-to)2149-2154
Number of pages6
JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume19
Issue number5
DOIs
StatePublished - Sep 2001

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