Raman spectroscopy of carbon nitride films deposited using the filtered cathodic vacuum-arc technique combined with a radio-frequency nitrogen-ion beam

被引:37
作者
Cheng, YH
Tay, BK
Lau, SP
Shi, X
Qiao, XL
Chen, JG
Wu, YP
Xie, CS
机构
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Ion Beam proc Lab, Singapore 639798, Singapore
[2] Huazhong Univ Sci & Technol, Inst Mat Sci & Engn, Wuhan 430074, Hubei, Peoples R China
来源
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2001年 / 73卷 / 03期
关键词
D O I
10.1007/s003390100725
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Ultraviolet (UV) and visible micro-Raman-scattering spectroscopy were used to study carbon nitride films deposited using an off-plane double-bend-filtered cathodic vacuum-are (FCVA) technique combined with a radiofrequency nitrogen-ion source, which was used to supply active nitrogen species during the deposition of carbon nitride films, The UV Raman spectra can be directly used to determine the sp(3) C atoms in carbon nitride films. Both C-N bonds and C = N bonds can also be observed from the deconvolution results of visible and UV Raman spectra for carbon nitride films. The increase of nitrogen-ion energy leads to a decrease of the sp(3) C fraction, and an increase of the sp(2) C fraction, the sp(2) C cluster size, the C-N bond fraction and the C = N bond fraction in carbon nitride films.
引用
收藏
页码:341 / 345
页数:5
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