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US 9,922,791 B2Granted
Phosphorus doped diamond electrode with tunable low work function for emitter and collector applications
AssigneeArizona Board of Regents on behalf of Arizona State University
InventorsFranz A. M. Koeck, Robert J. Nemanich
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Abstract
An apparatus includes an emitter electrode including a phosphorus doped diamond layer with low work function. The apparatus further includes a collector electrode and a vacuum gap disposed between the emitter and the collector. The collector has a work function of 0.84 eV or less.
Claims9
An apparatus comprising:
- a thermionic electron emitter;
- a collector electrode comprising a phosphorus doped diamond layer;
- and
- a vacuum gap disposed between the emitter and the collector,
- wherein the collector has a work function of 0.84 eV or less.
2 more elements
Dependencies are inferred from the claim text.