Title :
Properties of the thermo-field ion-electron (I-F-T) emission
Author_Institution :
E.O. Patin Electr. Welding Inst., Kiev, Ukraine
Abstract :
The paper considers peculiarities of the thermo-field (F-T) mechanism of electron emission occurring under conditions of the vacuum arc cathode spot. The problem of the effect of individual fields of ions arriving at the cathode on the side of plasma on the additional outcome of electrons as a result of local deformation of a potential barrier near the surface is formulated. Expressions were derived to determine the number of the emitted electrons and results of calculation are given
Keywords :
cathodes; electron field emission; plasma; vacuum arcs; vacuum breakdown; ion fields; local deformation; potential barrier; thermo-field ion-electron emission; vacuum arc cathode spot; Cathodes; Electron emission; Ionization; Plasma temperature; Scattering; Surface treatment; Temperature control; Thermionic emission; Vacuum arcs; Welding;
Conference_Titel :
Discharges and Electrical Insulation in Vacuum, 1998. Proceedings ISDEIV. XVIIIth International Symposium on
Conference_Location :
Eindhoven
Print_ISBN :
0-7803-3953-3
DOI :
10.1109/DEIV.1998.740579
