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A Reduction-Pyrolysis-Catalysis Synthesis of Diamond

Science  10 Jul 1998:
Vol. 281, Issue 5374, pp. 246-247
DOI: 10.1126/science.281.5374.246

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Abstract

Diamond powder was synthesized through a metallic reduction-pyrolysis-catalysis route with the reaction of carbon tetrachloride and sodium at 700°C, in which the sodium was used as reductant and flux. This temperature is much lower than that of traditional methods. The x-ray powder diffraction patterns showed three strong peaks of diamond. The Raman spectrum showed a sharp peak at 1332 inverse centimeters, which is characteristic of diamond. Although the yield was only 2 percent, this method is a simple means of forming diamond.

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