Title :
Cathode photoelectron emission during a gas discharge in N2 and dry air
Author :
Kennedy, J.T. ; Megens, M.G.M. ; Wetzer, J.M.
Author_Institution :
High Voltage & EMC Group, Eindhoven Univ. of Technol., Netherlands
Abstract :
An experimental study of electron avalanches in dry air and nitrogen has been performed with emphasis on secondary photoelectron emission from the cathode surface. Three cathode materials, nickel, copper and aluminum, were used in this study, and in all cases secondary electron emission is observed. Comparison between our data and literature suggests that photon energies exceeding 8 eV are created in discharges in N2 and air and play a dominant role in the secondary photoelectron emission process
Keywords :
air; aluminium; cathodes; copper; electron avalanches; electron emission; nickel; nitrogen; secondary electron emission; 8 eV; Al; Cu; N2; Ni; cathode photoelectron emission; cathode surface; dry air; electron avalanches; gas discharge; secondary photoelectron emission; Cathodes; Copper; Current measurement; Electric breakdown; Electron emission; Equations; Gas lasers; Nickel; Surface discharges; Voltage;
Conference_Titel :
Electrical Insulation, 1994., Conference Record of the 1994 IEEE International Symposium on
Conference_Location :
Pittsburgh, PA
Print_ISBN :
0-7803-1942-7
DOI :
10.1109/ELINSL.1994.401412
