Abstract
The characteristics of the finely dispersed component of an electrodynamic source of indium and tin ions were studied. Microdroplets are emitted above a threshold value of the beam current, and oscillations of the ion current with a frequency of order 10 MHz are excited at the same time. At the maximum values of the ion current the microdroplet sizes range from 20 to 400 A. The mechanisms for producing light ions and charged microdroplets in sources of this type were analyzed. These are field ionization of vapor and thermal dispersion of liquid, respectively.
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