Abstract
Femtosecond laser ablation of carbon nanotube (CNT) cathode was demonstrated in the laser fluence range of 0.05-2 J/cm2. It was shown that the CNT ablated by femtosecond laser were aligned perpendicular to the cathode surface. The emission characteristics of the CNT cathode were measured using a diode system. The modified CNT cathode had a turn-on field of 1.8 V/μm, which was approximately half that of the original CNT cathode. As the laser fluence decreased, the turn-on field also decreased. © 2007 IOP Publishing Ltd.
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CITATION STYLE
Hashida, M., Shimizu, S., & Sakabe, S. (2007). Carbon-nanotube cathode modified by femtosecond laser ablation. Journal of Physics: Conference Series, 59(1), 487–491. https://doi.org/10.1088/1742-6596/59/1/105
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