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Performance of field-emitting resonating carbon nanotubes as radio-frequency demodulators

  • P. Vincent
  • , P. Poncharal
  • , T. Barois
  • , S. Perisanu
  • , V. Gouttenoire
  • , H. Frachon
  • , A. Lazarus
  • , E. De Langre
  • , E. Minoux
  • , M. Charles
  • , A. Ziaei
  • , D. Guillot
  • , M. Choueib
  • , A. Ayari
  • , S. T. Purcell
  • IGFL, Université de Lyon, Université Lyon 1
  • Laboratoire d'Hydrodynamique de l'Ecole Polytechnique
  • Thales Research & Technology

Research output: Contribution to journalArticlepeer-review

Abstract

We report on a systematic study of the use of resonating nanotubes in a field emission (FE) configuration to demodulate radio frequency signals. We particularly concentrate on how the demodulation depends on the variation of the field amplification factor during resonance. Analytical formulas describing the demodulation are derived as functions of the system parameters. Experiments using AM and FM demodulations in a transmission electron microscope are also presented with a determination of all the pertinent experimental parameters. Finally we discuss the use of CNTs undergoing FE as nanoantennae and the different geometries that could be used for optimization and implementation.

Original languageEnglish
Article number155446
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume83
Issue number15
DOIs
Publication statusPublished - 26 Apr 2011

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