Sputtering studies of lithiated ATJ graphite by lithium ion bombardment

K. Ibano, V. Surla, D. N. Ruzic

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Sputtering yields of Li+ on ATJ graphite at 45 degree incidence with 700 eV-2000 eV accelerations were studied. Typically, 4 × 10 13 ions/(cm2 s) flux of Li+ beam was obtained from LiCl powder in a Colutron ion source. Sputtered particles were collected by a quartz crystal microbalance to determine sputtering yields. The experiment was repeated after lithium was evaporated onto the ATJ graphite target. Suppressed amounts of sputtered particles were observed after lithium treatment. Deuterium saturation treatment for lithiated graphite was also done to simulate actual divertor conditions. The sputtering yield after deuterium saturation does not show distinct differences with non-saturated samples.

Original languageEnglish (US)
Title of host publication2009 23rd IEEE/NPSS Symposium on Fusion Engineering, SOFE 2009
DOIs
StatePublished - Nov 10 2009
Externally publishedYes
Event2009 23rd IEEE/NPSS Symposium on Fusion Engineering, SOFE 2009 - San Diego, CA, United States
Duration: Jun 1 2009Jun 5 2009

Publication series

NameProceedings - Symposium on Fusion Engineering

Other

Other2009 23rd IEEE/NPSS Symposium on Fusion Engineering, SOFE 2009
CountryUnited States
CitySan Diego, CA
Period6/1/096/5/09

Keywords

  • Component
  • Divertor
  • Graphite
  • Lithium
  • Sputtering

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering

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