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Preparation of Single-Crystal Graphite from Melts

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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CHING LI, P. Preparation of Single-Crystal Graphite from Melts. Nature 192, 864–865 (1961). https://doi.org/10.1038/192864a0

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