B26-055 MOLECULAR DYNAMICS SIMULATIONS ON THE THERMAL CONDUCTIVITY OF SI-GE SUPERLATTICES
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概要
- 論文の詳細を見る
We conducted molecular dynamics (MD) simulations on heat transfer in Si-Ge superlattices to investigate the effects of nano-structures on thermal conductivities. Both the perpendicular thermal conductivity to the interfaces (cross-plane) and the parallel one to the interfaces (in-plane) were calculated. The layered system had a lower conductivity than the uniform system. When the number of layers was increased while keeping the total sample thickness constant, the cross-plane thermal conductivity decreased. We calculated the kinetic energy profile to investigate the mechanism of this decrease. The motions of atoms at the boundaries between Si and Ge were suppressed, and it became thermal resistance.
- 一般社団法人日本機械学会の論文
- 2003-11-30
著者
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HIRANO Shinichi
Department of Applied Chemistry, Graduate School of Engineering, Nagoya University
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Hirano Shinichi
Department Of Chemical Science And Technology Faculty Of Engineering University Of Tokushima
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MIYAZAKI Koji
Departments of Surgery, Saga Medical School
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TSUKAMOTO Hiroshi
Department of Medicine and Biosystemic Science, Graduate School of Medical Sciences, Kyushu Universi
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Hirano Shinichi
Department Of Mechanical Engineering Kyushu Institute Of Technology
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Ozaki Motoki
Machinery development department Fujikura Ltd.
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Tsukamoto Hiroshi
Department Of Biological Functions And Engineering Kyushu Institute Of Technology
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Miyazaki Koji
Department Of Dental Engineering (bioengineering Section) Fukuoka Dental College
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Miyazaki Koji
Department Of Biological Functions And Engineering Kyushu Institute Of Technology
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MIYAZAKI Koji
Department of Applied Chemistry, Tokyo Metropolitan University
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