Nanowelding of a multiwalled carbon nanotube to metal surface and its electron field emission properties
Koji AsakaNagoya University Department of Quantum Engineering, Graduate School of Engineering, , Furo-cho, Chikusa-ku, Nagoya 464-8603, JapanHitoshi NakaharaNagoya University Department of Quantum Engineering, Graduate School of Engineering, , Furo-cho, Chikusa-ku, Nagoya 464-8603, JapanYahachi SaitoNagoya University Department of Quantum Engineering, Graduate School of Engineering, , Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
2008en
ABI
Аннотация
Multiwalled carbon nanotubes (MWNTs) were manipulated inside a high-resolution transmission electron microscope combined with a nano manipulator, and a single MWNT emitter freestanding on a platinum surface was fabricated by nanowelding. The electron field emission properties of the single MWNT were in situ measured at various gap distances in a range from 27to442nm with simultaneous imaging by transmission electron microscopy. Field enhancement factors varying with the gap distance and the thermally enhanced electron emission were observed.
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