Nanoscale Mechanics of Carbon Nanotube Evaluated by Nanoprobe Manipulation in Transmission Electron Microscope

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概要

• 論文の詳細を見る

• We investigated the nanoscale mechanics of individual multiwalled carbon nanotubes (MWCNTs) by a nanoprobe manipulation technique in a transmission electron microscope (TEM). The force applied to individual MWCNTs was measured using a commercially available Si cantilever installed in a manipulator. It was clearly observed that this force is released by buckling like deformation. The average Young's modulus of the MWCNTs estimated using a conventional mechanical theory was approximately 1.1 TPa. Although the MWCNTs exhibited a high flexibility, the deformation of the MWCNTs above the elastic limit led to structural defects, which resulted in a local plastic deformation. Nanomechanics measurements in the TEM revealed that the structural defects cause stiffness deterioration.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2006-01-15

著者

• Mitsuda Yoshitaka

  Institute Of Industrial Science The University Of Tokyo

• Mitsuda Yoshitaka

  Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan

• Kuzumaki Toru

  Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan

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