Diamond Synthesis by a Graphite Rod Heating under Normal and High Gravity

Int. J. Microgravity Sci. Appl. 2011_s078
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The authors already conducted a series of diamond thin film synthesis under high gravity with a centrifugal facility with DC-plasma CVD method. In present paper, the results of high gravity experiments with graphite rod heating will be reported. The effect of high gravity was confirmed by 1 G ~ 50 G experiments. On the bases of the experimental results of 1 G ~ 50 G experiments, 70 G experiments were performed. With 70 G experiments, diamond particles with (100) and (111) surfaces were observed. And the maximum particle size was 5 microns in diameter. In present study, high gravity effects for diamond synthesis were confirmed and reported.
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