A Self-Magnetically Insulated Ion Diode for Generating Aluminum Ion Beams

The results of a study of the generation of pulsed beams consisting of aluminum, carbon, and proton ions are presented. An ion beam is formed when a submicrosecond high-voltage pulse is applied to the anode of the vacuum diode at the moment of the existence of a dense explosive emission plasma in the accelerating gap. The plasma in the diode is created by an additional high-voltage pulse preceding the main one due to explosive emission on the surface of the potential electrode. The amplitude of the main accelerating pulse in the experiments was 200 kV and the duration was 100 ns at the half maximum. The time-of-flight technique based on collimated Faraday cup and magnetic spectrometer was used to diagnose the beam composition.