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Preparation and properties of a barium-graphite compound

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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.

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References

  1. 1.

    A. Ubbelohde andF. Lewis, “Graphite and Its Crystal Compounds” (Clarendon Press, Oxford, 1960).

  2. 2.

    G. Hennig,Prog. Inorg. Chem. 1 (1959) 125.

  3. 3.

    R. Croft,Chem. Soc. Quart. Rev. London 14 (1960) 19.

  4. 4.

    L. Blackman et al., Proc. Roy. Soc. A part III 258 (1960) 339.

  5. 5.

    K. Fredenhagen et al., Z. Anorg. Chem. 178 (1929) 333.

  6. 6.

    A. Schleede andM. Wellman,Z. Physik. Chem. 18B (1932) 1.

  7. 7.

    W. Rüdorff andE. Shulze,Z. Anorg. Chem. 282 (1955) 232.

  8. 8.

    D. Nixon andG. Parry,Brit. J. Appl. Phys. (J. Phys. D.)2, ser. 2 (1968) 291.

  9. 9.

    F. Salzano andS. Aronson,J. Chem. Phys. 42 (1965) 1323.

  10. 10.

    Idem, ibid 43 (1965) 149.

  11. 11.

    Idem, ibid 44 (1966) 4320.

  12. 12.

    Idem, ibid 45 (1966) 2221.

  13. 13.

    Idem, ibid 45 (1966) 4551.

  14. 14.

    Idem, ibid 47 (1967) 2978.

  15. 15.

    A. Herold,Bull. Soc. Chim. Fr. 187 (1955) 999.

  16. 16.

    M. M. D. Guérard andA. Herold,Compt. Rend. Acad. Sci. Paris 279 (1974) 455.

  17. 17.

    T. O. Montelbano, Ph.D. thesis, University of Pennsylvania, 1970.

  18. 18.

    D. E. Nixon andG. S. Parry,J. Phys. 2, ser. 2 (1969) 1732.

  19. 19.

    M. Von Stackelberg,Z. Physik Chem. B9 (1930) 437.

  20. 20.

    “International X-Ray Tables” (Kynoch Press, Birmingham, 1952) p. 304.

  21. 21.

    C. Klein,Rev. Mod. Phys. 34 (1962) 56.

  22. 22.

    J. Curry Ph.D. Thesis, University of Pennsylvania, 1968.

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Girifalco, L.A., Montelbano, T.O. Preparation and properties of a barium-graphite compound. J Mater Sci 11, 1036–1040 (1976). https://doi.org/10.1007/BF00553112

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Keywords

  • Colour
  • Polymer
  • Gold
  • Chemical Analysis
  • Graphite