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We present a comprehensive experimental study on the effects of hydrogen microwave plasma post-treated tetrahedral amorphous carbon (ta-C) coated carbon nanotubes (CNTs). The CNTs were prepared via plasma-enhanced chemical vapor deposition while the ta-C coating was conducted by pulsed laser deposition technique. Enhanced field emission performance of plasma treated composite material than the pristine one was observed and also investigated in this study.
Date of Conference: 3-8 Jan. 2010