English, Article edition: OPTICAL AND STRUCTURAL PROPERTIES OF NITROGENATED DIAMOND-LIKE CARBON FILMS PREPARED BY r.f. PECVD M. RUSOP; S. ABDULLAH; J. PODDER; ...

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Bookmark: http://trove.nla.gov.au/version/84865
Physical Description
  • article
Language
  • English

Edition details

Title
  • OPTICAL AND STRUCTURAL PROPERTIES OF NITROGENATED DIAMOND-LIKE CARBON FILMS PREPARED BY r.f. PECVD
Author
  • M. RUSOP
  • S. ABDULLAH
  • J. PODDER
  • T. SOGA
  • T. JIMBO
Physical Description
  • article
Notes
  • Nitrogenated diamond-like carbon films have been deposited on glass and p-type Si (100) substrates by radio frequency (r.f.) plasma-enhanced chemical vapor deposition (PECVD) with a frequency of 13.56 MHz at room temperature using CH4 as precursor of carbon source and H2 as a carrier gas. The deposition was performed at a different flow rate of nitrogen from 0 to 12 sccm under a constant r.f. power. The effect of nitrogen incorporation on the bonding states and growth kinetics of the deposited films have been investigated by Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, X-ray photoelectron spectroscopy and optical properties by UV spectroscopy measurement. Our experimental results show that the incorporation of nitrogen has a considerable effect on the properties of the deposited films. FTIR spectra show that the nitrogen is bonded to carbon and hydrogen as C=​N, Câ¡N, NâH and CâH bonding configurations in the as-deposited film. The incorporation of nitrogen is found to shift the Raman G peak toward the higher wave number and to increase the Raman ID/​IG ratio demonstrating the graphitic character of the hydrogenated amorphous carbonânitrogen films. Band gap is found to reduce with the increase in nitrogen concentration.
  • Optical properties, bonding properties, nitrogenated, nitrogen incorporation, amorphous carbon, PECVD
  • RePEc:wsi:srlxxx:v:13:y:2006:i:01:p:1-6
Language
  • English
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