A methyl free radical source for use in surface studies

Xiang Dong Peng, Rama Viswanathan, George H. Smudde, Peter C. Stair

Research output: Contribution to journalArticle

72 Citations (Scopus)

Abstract

A methyl radical source has been developed for use in high vacuum. Methyl radicals are produced through azomethane pyrolysis in a tubular reactor located inside an ultrahigh vacuum chamber. Other gas products include nitrogen from azomethane pyrolysis, and methane, ethane plus hydrogen from the reactions of methyl radicals on the walls of the reactor. Methyl yields as high as 42% have been observed.

Original languageEnglish
Pages (from-to)3930-3935
Number of pages6
JournalReview of Scientific Instruments
Volume63
Issue number8
DOIs
Publication statusPublished - Dec 1 1992

ASJC Scopus subject areas

  • Instrumentation

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