Conversion of an atomic to a molecular argon ion and low pressure argon relaxation
Stankov M N†, , Jovanović A P, Lj Marković V, Stamenković S N
       

Number density profiles of dominant particles in relaxation of DC discharge in front of the cathode surface at working voltageUw= 250 V, glow currentIg= 130 μA, pressurep= 200 Pa, and inter-electrode distanced= 1 cm.