It is experimentally shown that with oscillating electric fields of several GHz frequency at liquid conducting surfaces, the field emission of electrons and ions is possible due to the forming effect of the a.c. field on the surface
This work presents the generalization of experimental and theoretical investigations of different field-emission phenomena from liquid metal. The dynamics, emission ability, and stability of the processes are described for specific regimes of electric field. A description of the stability is possible if one considers the character of the conducting-fluid surface instabilities that always precede every type of field emission from liquid in a strong electric field. We investigated the electrohydrodynamic effects in liquid-metal emitters operating in the field-ion, field-electron, and explosive-emission modes in direct-current, nanosecond-pulse, and microsecond-pulse regimes.
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