Electron temperature in a.c. glow discharge at audio frequencies†

Experimental Investigation of Low Pressure Audio Frequency Discharge in Argon

“…[7] Reference [8] contains the result of using 15 kHz luminous chemical vapour deposition of hydrocarbon polymeric thin films in a magnetic field enhanced discharge of methane. Some earlier work by Bhiday, et al [9] involved measurements of the electron temperature and electron densities in up to 20 kHz discharges using the double probe method. Their results show that the electron temperature is almost independent of the frequency.…”

Electric Discharge in Pin-Plate Audio Frequency Plasma

“…This may be due to two main reasons. The first stems from the theoretical arguments that as far as capacitive coupling is concerned, one would not expect to observe any major differences between dc and audio frequency discharge [4] due to the relaxation time properties of plasmas. [5] On the other hand and as far as inductive coupling is concerned, one would need to use very high power audio generators to induce any discharge.…”

Dissipative dark solitons in a dc complex plasma

“…The electron density n e and the electron temperature T e were diagnosed by a Langmuir probe in laboratory investigations [22,23]: n e = (1-2) • 10 8 cm −3 and T e = 5-7 eV for the dc mode. There are some indications that the lowfrequency polarity switching does not significantly change the plasma conditions [27,28].…”