Abstract
In this article we studied the influence of bombardment energy of hydrocarbon ions on the properties of hydrogenated diamond-like carbon (DLC) films using x-ray reflectivity, Raman spectroscopy, and Fourier-transform infrared. The DLC films were prepared with an electron cyclotron resonance system using H2 and CH4 gases and the ion energy was tunable through a rf-induced dc bias voltage. It was observed that the surface roughness is increased and C–H bonded hydrogen concentration is decreased with increased ion energy, whereas the mass density, hardness, and sp3/sp2 ratio exhibited optimum values. A thin SiC layer was found to form between the DLC films and silicon substrates. Two proposed carbon deposition mechanisms, i.e., the shallow implantation (subplantation) model and the adsorbed layer model, are examined based on the results obtained in this study. Our results indicate that ion bombardment energy is a critical factor in determining the film properties and the ion subplantation could be an important deposition process even for hydrogenated DLC films.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 9:33 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 6, 2024, 6:29 p.m.) |
Indexed | 1 week, 3 days ago (Aug. 26, 2025, 2:56 a.m.) |
Issued | 26 years, 9 months ago (Nov. 15, 1998) |
Published | 26 years, 9 months ago (Nov. 15, 1998) |
Published Print | 26 years, 9 months ago (Nov. 15, 1998) |
@article{Zhang_1998, title={Deposition of hydrogenated diamond-like carbon films under the impact of energetic hydrocarbon ions}, volume={84}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.368599}, DOI={10.1063/1.368599}, number={10}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Zhang, Qing and Yoon, S. F. and Rusli and Ahn, J. and Yang, H. and Bahr, D.}, year={1998}, month=nov, pages={5538–5542} }