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This paper presents results of experimental investigation of a low-threshold slipping surface discharge as a pulsed source of a dense metal plasma.The density of the plasma was measured by application of Langmuir probes and a microwave interferometer. Mass and energy ion spectra were determined using the ion electrostatic and magnetic analyser.Preliminary results concerning a new metal plasma source application for TiN thin-film deposition are discussed.

Results are presented from experimental studies of ignition of a stoichiometric methane–oxygen mixture in a closed chamber by a ring electric discharge. It is shown that the process of fast (explosive) ignition of the reactor volume starts on the axis of the ring, near its centre, i.e. at a distance from the annular region of power deposition. Experimental evidence suggests that the ignition of a combustible gas mixture near the axis is triggered by strong gas-dynamic perturbations converging to the axis, radially propagating from the ring discharger.