Title :
Ion explosive emission in microwave field
Author :
Shirochin, L.A. ; Fursey, G.N.
Author_Institution :
State Univ. of Telecommun., St. Petersburg, Russia
Abstract :
In a microwave field at a liquid conducting surface, a super-small microrelief with a high field amplification factor can be produced. Field-electron and field-ion emission from this structure were initiated simultaneously at appropriate half-wave of the field as a stable phase and this process was limited only by the thermal balance at the emitter surface in the microwave field. This balanced mode can be shifted to an aperiodic stage both by static and microwave field but with different efficiency and results. The increase of microwave field does not lead to the uncontrollable filling of the resonator with emitter substance and a new mode of high-current ion emission is possible in this case. For the first time, it is experimentally shown that the field-ion emission in a microwave field can be transformed into a stable self-sustaining ion emission when the ion current is increased explosively by 2-3 orders of magnitude
Keywords :
field ion emission; liquid metal ion sources; resonators; aperiodic stage; emitter surface; field amplification factor; field-electron emission; field-ion emission; high-current ion emission; ion current; ion explosive emission; liquid conducting surface; microwave field; prismatic resonator; self-sustaining ion emission; thermal balance; Delay effects; Electron emission; Explosions; Explosives; Gallium alloys; Ion emission; Needles; Plasma measurements; Resonance; Temperature;
Conference_Titel :
Electronics and Radiophysics of Ultra-High Frequencies, 1999. International University Conference Proceedings
Conference_Location :
St Petersburg
Print_ISBN :
5-7422-0083-8
DOI :
10.1109/UHF.1999.787992