Single Crystal Diffraction Patterns from Vitreous Carbon.

Abstract

Many previous studies of vitreous carbon by x-ray diffraction show broad diffraction maxima typical of vitreous materials. However, electron diffraction studies reveal many regions that give single crystal patterns. Although some of the patterns are of graphite, as expected, many patterns were obtained that correspond to other carbon crystal forms such as chaoite and carbon VI. In addition, ring patterns of lonsdaleite and diamond were found. Finally, patterns were obtained that do not correspond to any of the known carbon allotropes. (Author)

Document Details

Document Type
Technical Report
Publication Date
May 15, 1974
Accession Number
AD0778933

Entities

People

  • Arthur G. Whittaker
  • Bernadine Tooper

Organizations

  • The Aerospace Corporation

Tags

DTIC Thesaurus Topics

  • Absorbers (Materials)
  • Advanced Materials
  • Crystals
  • Diffraction
  • Electron Diffraction
  • Electrons
  • Engineered Materials
  • Graphitic Materials
  • Materials
  • Single Crystals
  • Wave Phenomena
  • X Rays
  • X-Ray Diffraction

Readers

  • Materials Science and Engineering.
  • Nanocomposite Materials Science
  • Nanofabrication and Microfabrication.

Technology Areas

  • Microelectronics