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Please use this identifier to cite or link to this item: http://dspace.univer.kharkov.ua/handle/123456789/1704

Название: Modes and the alpha-gamma transition in rf capacitive discharges in N2O at different rf frequencies
Авторы: Lisovskiy, V.
Booth, Jean-Paul
Landry, K.
Douai, D.
Cassagne, V.
Yegorenkov, V.
Ключевые слова: plasma physics
gas discharges
Issue Date: Oct-2006
Библиографическое описание: PHYSICS OF PLASMAS 13, 103505 (2006)
Серия/номер: ;DOI: 10.1063/1.2364135
Краткий осмотр (реферат): This paper reports current-voltage characteristics and pressure-voltage transition curves from the weak-current a-mode to the strong-current g-mode for rf capacitive discharges in N2O at frequencies of 2 MHz, 13.56 MHz, and 27.12 MHz. At 2 MHz the rf discharge is mostly resistive whereas at 13.56 MHz and 27.12 MHz it is mostly capacitive. The weak-current a-mode was found to exist only above a certain minimum gas pressure for all frequencies studied [N. Yatsenko Sov. Phys. Tech. Phys. 26, 678 (19810] previously proposed that the a−g transition corresponds to breakdown of the sheaths. However, we show that this is the case only for sufficiently high gas pressures. At lower pressure there is a smooth transition from the weak-current a-mode to a strong-current g-mode, in which the sheaths produce fast electrons but the sheath has not undergone breakdown.
URI: http://dspace.univer.kharkov.ua/handle/123456789/1704
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