The electrical properties of glow discharges in Ne and Ar gas mixtures have been analysed. The electric field as a function of the electric current in the positive column has been measured and also calculated by a diffusion equation method. The electron swarm parameters used in the present calculation have been deduced by a Boltzmann equation method. The result shows that the calculated variation of the electric field vs the current is good agreement with the measurement.
It is found that the minimum value of the electric field appeares at the Ar partial pressure around 1% at a fixed current. A qualitative explanation for this fact may be made by that the electron energy distribution of 1% Ar and 99% Ne at high elctron energy is larger than that of pure Ar and the Penning ionization.
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