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Electromagnetic scattering of the carbon nanotubes excited by an electric line source

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【作者】 王玥； 吴群； 吴昱明； 贺训军； 李乐伟；

【Author】 Wang Yue a)b)c),Wu Qun b)c),Wu Yu-Ming d),He Xun-Jun a),and Li Le-Wei 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

【机构】 Department of Electrical Science and Technology,Harbin University of Science and Technology； School of Electronics and Information Technology,Harbin Institute of Technology； State Key Laboratory of Millimeter Wave,Southeast University； School of Electrical & Electronic Engineering,Nanyang Technological University； Department of Electrical and Computer Engineering,National University of Singapore,10 Kent Ridge Crescent 119260,Singapore；

【摘要】 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.

【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.

【关键词】 scattering； carbon nanotubes； terahertz；
【Key words】 scattering； carbon nanotubes； terahertz；
【基金】 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 Innovative Talent of Harbin City,China(Grant No.2010RFXXG010);the Youth Foundation of Harbin University of Science and Technology,China(Grant Nos.2009YF025 and 2009YF024)
  • 【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2012年01期
  • 【分类号】TB383.1
  • 【被引频次】2
  • 【下载频次】26
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