NASA NTRS · 20060030652
In-FEEP ion beam neutralization with thermionic and field emission cathodes
Abstract
Charge neutralization of an In-FEEP thruster was demonstrated with three different electron sources by zeroing the floating potential of the thruster and neutralizer system. The three cathodes used in the investigation include a mixed metal thermionic cathode, a carbon nanotube field emission cathode, and a Spindt-type Mo field emission array cathode.
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Marrese, C., Polk, J., Mueller, J., Owens, A., Tajmar, M., Fink, R., Spindt, C.. 2002-10-14. In-FEEP ion beam neutralization with thermionic and field emission cathodes. https://ntrs.nasa.gov/citations/20060030652
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