Spatial Distribution of Electron Concentration in a DC Glow Discharge Supported by a Hollow Cathode
For the first time, the spatial distribution of the electron density in the plasma region between the edge of the hollow cathode and the grid anode, which is not bounded by side walls, has been measured. The measurements were carried out in a discharge in helium at a pressure of 1.5 mbar using the o...
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| Veröffentlicht in: | Plasma chemistry and plasma processing 2024, Vol.44 (1), p.651-666 |
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| container_title | Plasma chemistry and plasma processing |
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| creator | Bernatskiy, A. V. Draganov, I. I. Dyatko, N. A. Kochetov, I. V. Ochkin, V. N. |
| description | For the first time, the spatial distribution of the electron density in the plasma region between the edge of the hollow cathode and the grid anode, which is not bounded by side walls, has been measured. The measurements were carried out in a discharge in helium at a pressure of 1.5 mbar using the original system for positioning of Langmuir probes in space. The dependence of the measurement results of the plasma electron component parameters on the cylindrical probe radius was investigated. The combined influence of the finite resistance of the plasma and the effect of the electron sink to the probe on the measurement results was analyzed. |
| doi_str_mv | 10.1007/s11090-023-10378-z |
| format | Article |
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| source | SpringerNature Journals |
| subjects | Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Classical Mechanics Electron density Glow discharges Hollow cathodes Inorganic Chemistry Mechanical Engineering Original Paper Spatial distribution |
| title | Spatial Distribution of Electron Concentration in a DC Glow Discharge Supported by a Hollow Cathode |
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