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Preparation of Ge1-xCx thin film and its infrared properties

  • Xiao Wen Wu
  • , Wei Jia Zhang
  • , Li Zhi Zhong
  • , Hao Huang

Research output: Contribution to journalArticlepeer-review

Abstract

Ge1-xCx films were prepared by PECVD (Plasma Enhanced Chemical Vapor Deposition). The effects of processing parameters on carbon content and infrared optical properties of the films were studied. The results showed that carbon content in the films increased with the increased of gas flow radio CH4/GeH4. The infrared refractive index was various from 2 to 4. The deposition rate was increased with the increase of ratio frequency power, but it was almost invariable when the power was higher than 60W. The deposition rate was decreased with increased of the temperature. Ge1-xCx films were transparent in the band of long infrared wavelength.

Original languageEnglish
Pages (from-to)53-57
Number of pages5
JournalCailiao Gongcheng/Journal of Materials Engineering
Issue number1
StatePublished - Jan 2005
Externally publishedYes

Keywords

  • Deposition rate
  • GeC thin film
  • Infrared property
  • PECVD

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