Oriented diamond on graphite flakes

T. Suzuki, M. Yagi, K. Shibuki, M. Hasemi

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Abstract

Diamond was deposited by the microwave plasma chemical vapor deposition method on a Si(100) substrate on which graphite flakes had been spread with their basal planes parallel to the substrate before deposition. Before diamond deposition, the substrate was preheated at 1200°C under hydrogen at 60 Torr to clean the surface of graphite flakes. Scanning electron micrographs showed that most of diamond particles were cubo-octahedral in morphology. The {111} planes of some diamond particles, which were judged by their triangular shape, were often parallel to the (0001) plane of graphite. Furthermore, some 〈111〉-oriented diamond particles were clearly nucleated at the edge of graphite. The possibility of heteroepitaxy of diamond on graphite was discussed based on crystallographic considerations.

Original languageEnglish
Pages (from-to)540-542
Number of pages3
JournalApplied Physics Letters
Volume65
Issue number5
DOIs
Publication statusPublished - 1994 Dec 1

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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