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Hydrogen Analysis Techniques for DLC Films
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Haruyuki YASUI, Kaoru AWAZU and Hiroshi NARAMOTO |
The lives of machining tools and tribological parts have been considerably
improved by DLC(Diamond-like Carbon) coating. Hydrogen is a very common
contaminant in DLC films. It can strongly influence on mechanical, physical
and chemical properties of the films. The analysis of hydrogen is therefore
a crucial problem in the process of preparing the films with the required
properties. Ion beam techniques using nuclear reactions are established
methods for the quantitative determination of hydrogen concentration.
In this study, DLC films were formed by PBII(Plasma Based Ion Implantation),
RNRA(Resonant Nuclear Reaction Analysis) and ERDA(Elastic Recoil Detection
Analysis) were adapted to evaluate the hydrogen content in the DLC films.
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Keywords ■■■ |
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DLC film, PBII, RNRA, ERDA, hydrogen |
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