Studies of Gas-Solid Interactions Using a Modulated Beam Mass Spectrometer.

Abstract

Mass spectrometric studies of graphite vaporization kinetics have continued. Experimental emphasis has been placed on carbon vapor reflection by solid surfaces. Refined data is presented for reflected beam intensity vs. target surface temperature for graphite targets. New results are presented for carbon vapor reflection by tungsten targets. Preliminary results for flash vaporization of vapor deposited carbon films are discussed. These studies show only monatomic carbon desorbed from carbon films on tungsten, but C2 and C3 are desorbed also by the film vapor deposited on polycrystalline graphite. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1970
Accession Number
AD0870981

Entities

People

  • Warren C. Steele

Tags

DTIC Thesaurus Topics

  • Graphitic Materials
  • Intensity
  • Kinetics
  • Mass Spectrometers
  • Polycrystals
  • Reflection
  • Spectrometers
  • Surface Temperature
  • Transition Temperature
  • Tungsten
  • Vaporization
  • Vapors

Fields of Study

  • Chemistry
  • Physics

Readers

  • Combustion science or combustion engineering.
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Semiconductor Device Technology

Technology Areas

  • Fully Networked C3