Measurements of Plasma Parameters in a High-Frequency Glow Discharge Using the Orifice Probe
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概要
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The electron temperature and the sheath potential in the plasma of radio-frequency glow discharge are measured by extracting the charged particles through a hole in a platinum and glass probe which was set on the wall of the discharge tube and by subjecting the effused particles to a retarding electric field. The observed electron field. The observed electron translational energy distribution is found to fit the Maxwellian distribution function. The electron temperature and the sheath potential increase with decreasing pressure. Addition of small amount of argon to helium results in a steep decreas of the electron temperature and the sheath potential. The electron temperature is kept nearly constant when the content of argon exceeds 10%. The lower values of the electron temperature obtained for polyatomic molecules are conjectured to be related with large cross sections for the energy exchange between plasma electrons and the relevant vibrational levels of molecules.
- 社団法人応用物理学会の論文
- 1971-03-05
著者
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KAMADA Hitoshi
Department of Industrial Chemistry, Faculty of Engineering, University of Tokyo
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Kamada Hitoshi
Department Of Chemical Industry Faculty Of Engineering University Of Tokyo
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Hiraoka Kenzo
Department Of Chemical Industry Faculty Of Engineering University Of Tokyo
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Hiraoka Kenzo
Department Of Applied Chemistry And Biotechnology Yamanashi University
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