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. 2013 Aug 16;8(1):355. doi: 10.1186/1556-276X-8-355

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Copyright ©2013 Ha et al.; licensee Springer.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Field emission properties and emission stabilities of the fabricated CNT emitters after the electrical conditionings. (a) Field emission properties of the fabricated CNT emitters after the conditioning process. Five J-E measurements were performed. One arcing occurred at the maximum current density of the fourth run (pink arrow). Inset graph and image in (a) are the FN plots of the J-E curves of the CNT emitter and the wettability of metal mixture binders on the copper tip substrate after annealing at 900°C, respectively. (b) Emission stabilities of the fabricated CNT emitters at different electric fields.