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Diamond nucleation and growth on reactive transition-metal substrates

Published online by Cambridge University Press:  03 March 2011

W. Zhu*
Affiliation:
Department of Materials Science and Engineering, North Carolina State University, Raleigh, North Carolina 27695-7919
P.C. Yang
Affiliation:
Department of Materials Science and Engineering, North Carolina State University, Raleigh, North Carolina 27695-7919
J.T. Glass*
Affiliation:
Department of Materials Science and Engineering, North Carolina State University, Raleigh, North Carolina 27695-7919
F. Arezzo*
Affiliation:
Department of Materials Science and Engineering, North Carolina State University, Raleigh, North Carolina 27695-7919
*
a)Present address: AT&T Bell Laboratories, 600 Mountain Avenue, Murray Hill, New Jersey 07974.
b)Present address: Kobe Steel USA Inc., Electronic Materials Center, Research Triangle Park, North Carolina 27709.
c)Present address: Centro Sviluppo Materiali, Via di Castel Romano 100, Roma 00129, Italy.
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Abstract

Diamond deposition on group VIII transition metals of Cr, Mn, Fe, Co, and Ni has been achieved by a multi-step chemical vapor deposition process consisting of (i) seeding the substrate with diamond powders, (ii) annealing the seeded substrate in hydrogen at high temperatures, and (iii) diamond nucleation and growth. It was found that high quality diamond can be grown on these substrates, and the often accompanied graphite formation, which has been the main obstacle in the deposition of diamond on these metal surfaces, can be largely suppressed by the above step-deposition procedure. This technique was further extended to the processes of depositing diamond on steels and Co-bonded WC materials.

Type
Articles
Copyright
Copyright © Materials Research Society 1995

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References

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