Abstract

The kinetic characteristics of electron drift in argon in the presence of iron fumes at an electric field strength E/N = 1-100 Td with allowance for inelastic collisions are calculated by the Monte Carlo method and the effect of the metal vapor concentration on the drift velocity, average electron energy, diffusion and mobility coefficients are analyzed. In addition, the ionization coefficient of Townsend and electron runaway, the energy distribution functions of electrons are calculated and their comparison with the Maxwell and Druvestein distributions is given. It is shown that even insignificant additions of iron atoms in argon, starting with a fraction of a percent, strongly influence the discharge, in particular, the characteristics of inelastic processes and the charge composition.

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