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Measurements of the total ion flux from vacuum arc cathode spots
2005 / IEEE
This item was taken from the IEEE Periodical ' Measurements of the total ion flux from vacuum arc cathode spots ' The ion current from different cathode materials was measured for 50-500 A of arc current. The ion current normalized by the arc current was found to depend on the cathode material, with values in the range from 5% to 19%. The normalized ion current was generally greater for elements of low cohesive energy. The ion erosion rates were determined from values of ion current and ion charge states, which were previously measured in the same ion source. The absolute ion erosion rates ranged from 16-173 /spl mu/g/C.
Total Ion Flux Measurements
Vacuum Arc Cathode Spots
Ion Charge States
Cathodic Vacuum Arcs
Ion Erosion Rates
50 To 500 A
Plasma Transport Processes
Engineered Materials, Dielectrics And Plasmas