Microstructure of silicon-incorporated carbon films with various silicon concentrations deposited by hybrid magnetron sputtering/chemical vapor deposition

Hsin Chung Cheng, Peter Da-yun Wang, Wen Chien Lan, Pei Yi Wang, Shih Fu Ou, Ya Ju Hsu, Keng Liang Ou

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A hybrid technique combining the radio-frequency magnetron sputtering of silicon and the plasma-enhanced chemical vapor deposition of hydrogenated carbon was developed to synthesize silicon-incorporating diamond-like carbon films. Plasma power was supplied at different levels to a silicon electrode in an Ar/CH4 atmosphere to prepare films having different Si contents. The effects of plasma power level on the compositions and microstructures of the deposited film were investigated. The Si contents and deposition rates of the films increased with the plasma power. All the films exhibited an amorphous structure. The addition of Si not only resulted in the smoothening of the granular surfaces of the films but also led to the formation of round projections having a diameter of about 200 nm on the surfaces. Most of the Si in the films reacted with carbon, and no precipitation of SiC or Si phases was noticed in the films.

Original languageEnglish
Pages (from-to)5585-5590
Number of pages6
JournalCeramics International
Volume39
Issue number5
DOIs
Publication statusPublished - Jul 2013

Keywords

  • A. Films
  • D. Carbon
  • E. Biomedical applications

ASJC Scopus subject areas

  • Ceramics and Composites
  • Process Chemistry and Technology
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Materials Chemistry

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