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A planar-gate surface-conduction electron source with ZnO nanorods has been successfully fabricated, where ZnO nanorods deposited on the cathode are used as field emission emitters and ZnO nanorods deposited in the gap between cathode and gate electrode (C–G gap) are used as surface-conduction emitters. Field emission investigations indicate that the turn-on voltage at emission current of 10μA is...
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