Effective Dielectric Properties of an Array of Multishell Carbon Nanotubes

吕文刚; 王容洲; 董锦明

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Effective Dielectric Properties of an Array of Multishell Carbon Nanotubes

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Using a photonic band calculation method, we calculate the effective dielectric function of an array of carbon nanotubes which have a simple equivalent isotropic dielectric function. The results for the equivalent dielectric function and for the local graphite-like dielectric tensor are found to be almost the same. Taking a fixed outer diameter of the nanotubes to be 10 nm and a fixed distance between them to be 10.3 nm, we investigate the effect of the hollow core and found that it is important that the ratio of the inner to the outer radii is approximately larger than 0.3. By taking a large ratio of 0.58, the theoretical results are improved greatly and can describe the experimental data very well.

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《中国物理快报：英文版》 |2001年第8期|1129-1131|共3页
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吕文刚; 王容洲; 董锦明;
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National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093;

National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093;

National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093;

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正文语种 chi
中图分类物理学;
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Effective Dielectric Properties of an Array of Multishell Carbon Nanotubes

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