Thermal Conductance of Buckled Carbon Nanotubes
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概要
- 論文の詳細を見る
Knowledge of thermal conductance of carbon nanotubes under mechanical deformation is important to characterize the robustness of carbon nanotube heat conduction. In this study, using molecular dynamics simulations, we have calculated thermal conductance of an elastically buckled single-walled carbon nanotube. A local buckle was formed by mechanically bending a carbon nanotube at an angle of 60°, and thermal conductance through the buckle was calculated by a nonequilibrium molecular dynamics approach. The thermal conductance exhibits strong diameter dependence, correlated with the strain energy generated in the buckle. Despite the highly strained deformation, the thermal resistance across a buckle is similar to that of a point defect and heterotube junction, revealing a robust nature of carbon nanotube heat conduction to buckling deformation.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2012-01-25
著者
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Shiomi Junichiro
Department Of Mechanical Engineering School Of Engineering The University Of Tokyo
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Maruyama Shigeo
Department Of Internal Medicine Gotsu General Hospital
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Nishimura Fumio
Department Of Dental Technology 1 Faculty Of Densitsry Tokyo Medical And Dental University
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Watanabe Kazuyuki
Department Of Orthopaedic Surgery Fukushima Medical University School Of Medicine
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Shiomi Junichiro
Department of Mechanical Engineering, The University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
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Shiga Takuma
Department of Mechanical Engineering, The University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
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Nishimura Fumio
Department of Mechanical Engineering, The University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
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Watanabe Kazuyuki
Department of Atomic Science and Nuclear Engineering, Faculty of Engineering, Hokkaido University
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