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Visualization of nanoscale peeling of carbon nanotube on graphite

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4 Author(s)
Ishikawa, Makoto ; Innovation Plaza Tokai, Japan Science and Technology Agency, 23-1 Ahara-cho, Minami-ku, Nagoya 457-0063, Japan ; Harada, Ryuichi ; Sasaki, Naruo ; Miura, Kouji

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We have fabricated a manipulation system with a force detection, which uses a self-detective cantilever, in a chamber of a scanning electron microscope. This system can simultaneously manipulate a nanoparticle and detect a force needed to move it, a detective resolution of which is approximately 1 nN. In this work, nanoscale peeling processes of a multiwalled carbon nanotube (MWCNT) on the graphite substrate have been studied. We have first experimentally obtained the vertical force-distance curve with the characteristic hysteresis loop which exhibits the multistable states between line contact and point contact of the MWCNT shape during the peeling processes.

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Applied Physics Letters  (Volume:93 ,  Issue: 8 )