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Journal of Materials Science

, Volume 11, Issue 6, pp 1036–1040 | Cite as

Preparation and properties of a barium-graphite compound

  • L. A. Girifalco
  • T. O. Montelbano
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  • 51 Downloads

Abstract

A barium-graphite intercalated compound was prepared by vapour diffusion anneal of barium into well oriented pyrolytic graphite. The resulting specimens maintained their integrity and were well oriented along thec-axis. The compound reacts with air, but is not as reactive as the corresponding alkali metal intercalates. Chemical analysis indicated that the compound formed had a stoichiometry of about C8Ba. This, along with the results of X-ray analysis, suggest that the compound has a structure similar to C8Ma, where Ma is an alkali metal. The compound was shiny gold in colour, brittle, and had a hardness about five times that of pyrolytic graphite. Resistivity and thermoelectric power measurements indicate that the compound is metallic in nature.

Keywords

Colour Polymer Gold Chemical Analysis Graphite 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman and Hall Ltd. 1976

Authors and Affiliations

  • L. A. Girifalco
    • 1
  • T. O. Montelbano
    • 1
  1. 1.Department of Metallurgy and Materials Science, and Laboratory for Research on the Structure of MatterUniversity of PennsylvaniaPhiladelphiaUSA

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