Abstract
The paper presents the results of the experimental measurement and the simulation of electric characteristics of dc glow discharge with the hollow cathode in neon, carried out during cooling of the discharge to the temperature of liquid nitrogen. The experiments were performed at pressure P = 18–187 Pa and discharge currents I = 0.01–3.5 mA. The behavior of the border of transition to the normal glow discharge during cooling was studied. Cooling in a subnormal discharge mode at constant current led to a change in the discharge regime. Upon cooling, the boundary of the transition to the normal glow discharge shifted to lower current, the electric field in the positive column of discharge and at the boundary of the normal glow discharge increased, but the reduced electric field decreased throughout the entire range of pressure and the discharge current.
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