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Electromagnetic scattering of the carbon nanotubes excited by an electric line source |
Wang Yue(王玥)a)b)c), Wu Qun(吴群)b)c)†, Wu Yu-Ming(吴昱明)d), He Xun-Jun(贺训军)a), and Li Le-Wei(李乐伟)e) |
a Department of Electrical Science and Technology, Harbin University of Science and Technology, Harbin 150080, China; b School of Electronics and Information Technology, Harbin Institute of Technology, Harbin 150001, China; c State Key Laboratory of Millimeter Wave, Southeast University, Nanjing 210096, China; d School of Electrical & Electronic Engineering, Nanyang Technological University, 639798, Singapore; e Department of Electrical and Computer Engineering, National University of Singapore, 10 Kent Ridge Crescent 119260, Singapore
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Abstract An analytical solution is presented for the electromagnetic scattering from an infinite-length metallic carbon nanotube and a carbon nanotube bundle. The scattering field and scattering cross section are predicted using a modal technique based on a Bessel and Hankel function for the electric line source and a quantum conductance function for the carbon nanotube. For the particular case of an isolated armchair (10, 10) carbon nanotube, the scattered field predicted from this technique is in excellent agreement with the measured result. Furthermore, the analysis indicates that the scattering pattern of an isolated carbon nanotube differs from that of the carbon nanotube bundle of identical index (m, n) metallic carbon nanotubes.
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Received: 20 May 2011
Revised: 22 July 2011
Accepted manuscript online:
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PACS:
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42.68.Mj
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(Scattering, polarization)
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78.30.Na
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(Fullerenes and related materials)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 60871073, 60971064, and 51005001), the Open Program of the State Key Laboratory of Millimeter Wave of China (Grant No. K201006), the Special Funds for the Technological and |
Cite this article:
Wang Yue(王玥), Wu Qun(吴群), Wu Yu-Ming(吴昱明), He Xun-Jun(贺训军), and Li Le-Wei(李乐伟) Electromagnetic scattering of the carbon nanotubes excited by an electric line source 2012 Chin. Phys. B 21 014212
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