Electron field emission from well-aligned GaP nanotips
HRSEM image of (a) the cross-sectional view of the GaP nanotip array and (b) from the 25° tilted image of ultrasharp GaP nanotip array.
HRTEM image of a single GaP nanotip capped with a SiC core formation on top of the tip.
Field emission characteristics of the GaP nanotip array. (a) The characteristics of the nanotip array with (I) 30 and (II) of cathode-to-anode distance. (b) The corresponding Fowler–Nordheim plot from (I) and (II).
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