Surface loss coefficients of CFx and F radicals on stainless steel

Harmeet Singh, J. W. Coburn, David B. Graves

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

The surface loss coefficients of CFx and F radicals were measured on the steel walls of the differential pumping systems of plasma reactor. The beam to background signal ratio of the radicals was measured by appearance potential mass spectrometry. Observations revealed that the measured loss coefficients were lower than those reported on the surfaces, which were exposed to fluorocarbon plasmas. It was concluded that the loss coefficients of the species are dependent on the surface coverage of the radicals.

Original languageEnglish (US)
Pages (from-to)2680-2684
Number of pages5
JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume18
Issue number6
DOIs
StatePublished - Nov 2000
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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