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Diamond Nuclei on the Silicon Mirror Surface by Direct-Current
Glow Discharge Chemical Vapor Deposition
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GAO Chunxiao;ZOU Guangtian;JIN Zengsun |
State Key Laboratory for Superhard Materials, Jilin University, Changchun 130023 |
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Cite this article: |
GAO Chunxiao, ZOU Guangtian, JIN Zengsun 1994 Chin. Phys. Lett. 11 185-188 |
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Abstract A new method is proposed for generation of high density diamond nuclei in the dc glow discharge chemical vapor deposition. Application of dc negative valtage together with high methane content has been found to generate diamond nuclei as high as 1010/cm2 on mirror-polished Si wafer. It has been indicated that carbon over-saturation, negative voltage and hydrogen play an important role in this new pretreatment process.
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Keywords:
81.15.Gh
61.50.Cj
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Published: 01 March 1994
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PACS: |
81.15.Gh
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(Chemical vapor deposition (including plasma-enhanced CVD, MOCVD, ALD, etc.))
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61.50.Cj
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