Diamond-like carbon films deposited by electron beam excited plasma chemical vapor deposition

An electron beam excited plasma (EBEP) system can produce a high-density plasma by introducing a high-current and low-energy electron beam into a process chamber. Diamond-like carbon (DLC) films prepared by EBEP-CVD systems were investigated for deposition rate, dynamic hardness and microstructure....

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Bibliographic Details
Published in:Diamond and related materials 2002-07, Vol.11 (7), p.1353-1359
Main Authors: Ban, Masahito, Ryoji, Makoto, Hasegawa, Takeshi, Mori, Yukitaka, Fujii, Sadao, Fujioka, Junzo
Format: Article
Language:English
Subjects:
Chemical vapor deposition
Chemical vapor deposition (including plasma-enhanced cvd, mocvd, etc.)
Cross-disciplinary physics: materials science
rheology
Diamond-like carbon
Exact sciences and technology
Hardness
Materials science
Methods of deposition of films and coatings
film growth and epitaxy
Microstructure
Physics
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Summary:An electron beam excited plasma (EBEP) system can produce a high-density plasma by introducing a high-current and low-energy electron beam into a process chamber. Diamond-like carbon (DLC) films prepared by EBEP-CVD systems were investigated for deposition rate, dynamic hardness and microstructure. The substrate bias voltage, substrate position and source gas were varied as the deposition parameters. It was found that when a higher negative bias voltage was applied to the substrate during deposition, the concentration of the sp 3 sites, the size of the graphite crystallite and the total hydrogen content decreased, whereas the density increased. The differences in the substrate position and source gas strongly affected the microstructural properties of the deposited DLC films.
ISSN:0925-9635
1879-0062
DOI:10.1016/S0925-9635(01)00743-9