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Study Of Structural And Electronic Environments Of Hydrogenated Amorphous Silicon Carbonitride (a-sicn:h) Films Deposited By Hot Wire Chemical Vapor Deposition

机译:热丝化学气相沉积沉积氢化非晶碳氮化硅(a-sicn:h)膜的结构和电子环境的研究

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摘要

Hydrogenated amorphous silicon carbon nitride (a-SiCN:H) thin films were deposited by hot wire chemical vapor deposition (HWCVD) using SiH_4, CH_4, NH_3 and H_2 as precursors. The effects of the H_2 dilution on structural and chemical bonding of a-SiCN:H has been investigated by Raman and X-ray photoelectron spectroscopy (XPS). Increasing the H_2 flow rate in the precursor gas more carbon is introduced into the a-SiCN:H network resulting in decrease of silicon content in the film from 41 at.% to 28.8 at.% and sp~2 carbon cluster increases when H_2 flow rate is increased from 0 to 20 sccm.
机译:使用SiH_4,CH_4,NH_3和H_2作为前体,通过热线化学气相沉积(HWCVD)沉积氢化非晶硅碳氮化物(a-SiCN:H)薄膜。通过拉曼光谱和X射线光电子能谱(XPS)研究了H_2稀释对a-SiCN:H的结构和化学键合的影响。增加前驱气体中的H_2流速,更多的碳被引入a-SiCN:H网络,导致薄膜中的硅含量从41 at。%减少到28.8 at。%,并且当H_2流动时,sp〜2碳簇增加速率从0增加到20 sccm。

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