Quantitative theory of nanowire and nanotube antenna performance

  • Authors:
  • P. J. Burke;Shengdong Li;Zhen Yu

  • Affiliations:
  • Dept. of Electr. Eng. & Comput. Sci., California Univ., Irvine, CA;-;-

  • Venue:
  • IEEE Transactions on Nanotechnology
  • Year:
  • 2006

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Abstract

We present quantitative predictions of the performance of nanotubes and nanowires as antennas, including the radiation resistance, the input reactance and resistance, and antenna efficiency, as a function of frequency and nanotube length. Particular attention is paid to the quantum capacitance and kinetic inductance. We develop models for both far-field antenna patterns as well as near-field antenna-to-antenna coupling. In so doing, we also develop a circuit model for a transmission line made of two parallel nanotubes, which has applications for nanointerconnect technology. Finally, we derive an analog of Hallen's integral equation appropriate for single-walled carbon nanotube antennas