期刊
PLASMA CHEMISTRY AND PLASMA PROCESSING
卷 42, 期 6, 页码 1345-1360出版社
SPRINGER
DOI: 10.1007/s11090-022-10287-7
关键词
Atmospheric pressure PECVD; Thin films; Silica-like; DBD
资金
- Ministry of Science and Higher Education of the Russian Federation as part of the World-class Research Center program: Advanced Digital Technologies [075-15-2020-934]
This paper reports on a study of an atmospheric pressure plasma enhanced chemical vapor deposition process using a simple dielectric barrier discharge and a low frequency high voltage generator. The authors investigated the effect of deposition parameters on the properties of silica-like layers grown from a TEOS/He/O-2 system. The results show that deposition temperature and electrical power absorbed in plasma are critical parameters in determining the characteristics of the deposited films. The study provides insights into achieving high growth rates of high quality films.
In this paper we report on a study of an atmospheric pressure plasma enhanced chemical vapor deposition process based on a simple dielectric barrier discharge using a low frequency (28 kHz) high voltage generator. We have investigated the effect of a range of deposition parameters on the properties of silica-like layers grown from a tetraethoxysilane (TEOS)/He/O-2 system. It is shown that the deposition temperature is a critical parameter in determining the composition, growth rate and characteristics of the deposited films, and the level of electrical power absorbed in plasma determines the concentration of active silicon containing species formed in the discharge generation region. Deposition rates up to 19 nm min(-1) can be achieved and layer properties, such as refractive index, porosity and breakdown voltage, are comparable with those obtained by more conventional CVD processes. General optimum conditions for high growth rates of good quality films can be inferred from the results.
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