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Effect of aspect ratio and anode location on the field emission properties of a single tip based emitter
2005
Journal of Vacuum Science & Technology B Microelectronics Processing and Phenomena
The effect on the field emission characteristics of the aspect ratio of an isolated emitter, together with the position of the anode electrode are reported. We show by computational simulation that the field enhancement factor  is only dependant on the emitter height h, radius r, when the anode to cathode separation D is greater than three times the height of the emitter away from the tip. In this regime the enhancement factor is independent of the anode location and approaches a value
doi:10.1116/1.1880072
fatcat:6evx2z3xfzf5dekb7r3ahxg7tq