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  • Applications of Diamond Films and Related Materials: Third International Conference
  • Technical Digest Series (Optica Publishing Group, 1995),
  • paper DGGC329

Nucleation and Growth of Oriented Diamond Films on Ni Substrates

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Abstract

Oriented (100) and (111) polycrystalline diamond has been achieved without graphite formation. Nucleation is beleived to occur from a Ni-C-H molten surface layer on oriented, metastable, cubic Ni4C previously nucleated on similarly oriented single crystal Ni substrates. The incorporation of the atomic H lowers the eutectic melting point of the Ni-C system from 1325°C to the 900-1000°C range and also promotes the nucleation of the Ni4C. X-ray diffraction analysis revealed that the Ni4C occurs only between the diamond particles and the Ni substrate.

© 1995 Optical Society of America

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