Letter | Published:

Preparation of Single-Crystal Graphite from Melts

Nature volume 192, pages 864865 (02 December 1961) | Download Citation

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Abstract

SINGLE-CRYSTAL graphite demonstrates a very high degree of anisotropy between the properties obtained in directions parallel and normal to the basal plane. This has generated a great deal of scientific curiosity. The closest approach to single-crystal graphite so far has been in the purification and recovery of flakes of natural graphite. Unfortunately, the flakes of natural graphite are imperfect; well-developed single crystals are rather scarce, especially in the larger sizes. It is felt that the following technique for producing single-crystal graphite will provide basic material for work on carbon and graphite and for optical work requiring single-crystal lamellæ.

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References

  1. 1.

    , J. Appl. Phys., 31, 1840 (1960); Proc. Electron Microscope Soc. Amer., A26.

  2. 2.

    , , and , Brm. Mineral, 43, 285 (1958).

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Affiliations

  1. Research Division, Raytheon Company, Waltham, Massachusetts.

    • PEI CHING LI

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DOI

https://doi.org/10.1038/192864a0

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