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Pulsed electrodeposition of diamond-like carbon films

Published online by Cambridge University Press:  31 January 2011

Hao Wang ,
Ming-Rong Shen ,
Zhao-Yuan Ning ,
Chao Ye  and
He-Sun Zhu
Hao Wang
Affiliation:
Film Material Laboratory, Department of Physics, Suzhou University, Suzhou 215006, People's Republic of China
Ming-Rong Shen
Affiliation:
Film Material Laboratory, Department of Physics, Suzhou University, Suzhou 215006, People's Republic of China
Zhao-Yuan Ning
Affiliation:
Film Material Laboratory, Department of Physics, Suzhou University, Suzhou 215006, People's Republic of China
Chao Ye
Affiliation:
Film Material Laboratory, Department of Physics, Suzhou University, Suzhou 215006, People's Republic of China
He-Sun Zhu
Affiliation:
The Research Center of Materials Science, Beijing Institute of Technology, Beijing 100081, People's Republic of China
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Abstract

Diamond-like carbon (DLC) films have been prepared by electrolysis of methanol solution using a pulse-modulated source. The deposition rate of the films is enhanced significantly compared to that of dc value. That the films do not contain bonded hydrogen is confirmed by infrared spectra. The structures of the films are characterized by Raman spectroscopy. These films show chemical inertness and hardness values in the range 12.5–19 GPa. Current-voltage characteristics of the films are measured, indicating that the resistivity is in the 107 Ω cm range and the breakdown field is larger than 1 MV cm−1.

Type
Articles
Information
Journal of Materials Research , Volume 12 , Issue 11 , November 1997 , pp. 3102 - 3105
Copyright
Copyright © Materials Research Society 1997

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