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Scanning Microscopy

Article Title

Carbide Field Emitters

Abstract

It has been reported that field emission current from a carbide single crystal is much more stable than a tungsten field emitter. Recent progress in the development of stable carbide field emitters is reviewed.

Existence of an optimum flashing temperature is pointed out and a recently developed stabilizing technique of the carbide field emitter is introduced. It is also pointed out that the quality of the vacuum is still important for stable operation of a carbide field emitter.

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