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Ion Number Density Quantification Utilizing Pulsing Frequency in Negative Differential Resistance (NDR) Regime of Microplasma Operation
Ist Teil von
IEEE transactions on plasma science, 2020-08, Vol.48 (8), p.2736-2741
Ort / Verlag
New York: IEEE
Erscheinungsjahr
2020
Quelle
IEEE Electronic Library Online
Beschreibungen/Notizen
A mathematical model is presented for quantifying the ion number density over a range of discharge current in microplasma discharges. The ion number density is determined from measured discharge voltage, current, pulsing frequency, and trace impurity that is injected into the system deliberately. Experiments are conducted in pure helium with nitrogen being introduced as the trace species. The ion number density is estimated over a range of discharge current and is compared with multidimensional simulation results.