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The Growth and Perfection of Single Crystals of Trinitrotoluene (TNT)

Published online by Cambridge University Press:  15 February 2011

Hugh G. Gallagher
Affiliation:
University of Strathclyde, Department of Pure and Applied Chemistry, 295 Cathedral Street, Glasgow G1 1XL, Scotland, UK.
John N. Sherwood
Affiliation:
University of Strathclyde, Department of Pure and Applied Chemistry, 295 Cathedral Street, Glasgow G1 1XL, Scotland, UK.
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Abstract

A study has been made of the crystal growth behaviour and perfection of TNT. Depending on the purity and the solvent used, crystallisation from solution yields material of monoclinic, twinned monoclinic or orthorhombic forms. Of these only the monoclinic form was suitable for detailed study by X-ray topographic techniques. The crystals of the orthorhombic form were too small and imperfect for examination.

Seeded growth from ethyl acetate solution yielded lamellar twinned crystals in which the twin density was low. Under ideal conditions, relatively perfect samples could be obtained in which the dominant residual growth defects were stacking faults of Burgers vector b ½ [001] and dislocations.

Type
Research Article
Copyright
Copyright © Materials Research Society 1993

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