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Thermodynamic coupling effect and catalyst effect for the artificial diamond growth

Published online by Cambridge University Press:  31 January 2011

Ji-Tao Wang ,
Zhong-Qiang Huang ,
Yong-Zhong Wan ,
David Wei Zhang  and
Hong-Yong Jia
Ji-Tao Wang
Affiliation:
Department of Electronic Engineering, Fudan University, 200433 Shanghai, China
Zhong-Qiang Huang
Affiliation:
Department of Applied Mathematics, Tongji University, 200092, Shanghai, China
Yong-Zhong Wan
Affiliation:
Department of Electronic Engineering, Fudan University, 200433 Shanghai, China
David Wei Zhang
Affiliation:
Department of Electronic Engineering, Fudan University, 200433 Shanghai, China
Hong-Yong Jia
Affiliation:
Department of Electronic Engineering, Fudan University, 200433 Shanghai, China
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Abstract

The activated chemical vapor deposition (CVD) diamond process became one of the worldwide interesting projects in the 1980s. The basic question is why diamond can grow under activated low pressure conditions. The driving force of the transformation from graphite to diamond under low pressure is coming from a coupled reaction of the association of superequilibrium atomic hydrogen. The thermodynamic coupling effect in the activated CVD process is different from the catalyst effect in the high pressure, catalyst-assisted process for the artificial diamond growth.

Type
Articles
Information
Journal of Materials Research , Volume 12 , Issue 6 , June 1997 , pp. 1530 - 1535
Copyright
Copyright © Materials Research Society 1997

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