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Evolution of structural defects in SiOx films fabricated by electron cyclotron resonance plasma chemical vapour deposition upon annealing treatment

  • Xiao Peng Hao*
  • , Bao Yi Wang
  • , Run Sheng Yu
  • , Long Wei
  • , Hui Wang
  • , De Gang Zhao
  • , Wei Chang Hao
  • *Corresponding author for this work
  • CAS - Institute of High Energy Physics
  • University of Chinese Academy of Sciences
  • CAS - Institute of Semiconductors

Research output: Contribution to journalArticlepeer-review

Abstract

We study the structural defects in the SiOx film prepared by electron cyclotron resonance plasma chemical vapour deposition and annealing recovery evolution. The photoluminescence property is observed in the as-deposited and annealed samples.[-SiO3]2- defects are the luminescence centres of the ultraviolet photoluminescence (PL) from the Fourier transform infrared spectroscopy and PL measurements. [-SiO 3]2- is observed by positron annihilation spectroscopy, and this defect can make the S parameters increase. After 1000°C annealing, [-SiO3]2- defects still exist in the films.

Original languageEnglish
Pages (from-to)1034-1037
Number of pages4
JournalChinese Physics Letters
Volume25
Issue number3
DOIs
StatePublished - 1 Mar 2008

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