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A study of the pressure-temperature conditions for diamond growth

Published online by Cambridge University Press:  03 March 2011

Yafei Zhang
Affiliation:
Department of Physics, Lanzhou University, Lanzhou 730000, People's Republic of China
Fangqing Zhang
Affiliation:
Department of Physics, Lanzhou University, Lanzhou 730000, People's Republic of China
Guanghua Chen
Affiliation:
Department of Physics, Lanzhou University, Lanzhou 730000, People's Republic of China
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Abstract

An attempt to unify the growth mechanisms and conditions for diamond formation is developed via the growth probability calculated by a barrier model between the two phases. From the distribution law of the equal growth probability lines plotted in a pressure-temperature (P-T) diagram, five regions of different growth methods and mechanisms were reasonably delineated. Many experimental results can be generalized and explained by our theory, and the unity of diamond growth mechanism was discussed over the wide region of the P-T condition.

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Articles
Copyright
Copyright © Materials Research Society 1994

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References

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