Volume 103, Number 5, September 2013
|Number of page(s)||6|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||24 September 2013|
Single-parameter charge pumping in carbon nanotube resonators at low frequency
1 CNR - SPIN and Università degli Studi di Napoli Federico II - Via Cintia, I-80126 Napoli, Italy, EU
2 Department of Physics, Northeastern University - Boston, MA 02115, USA
Received: 25 June 2013
Accepted: 6 September 2013
Single-parameter charge pumping, induced by a nearby radio-frequency antenna, is achieved in suspended carbon nanotubes close to the mechanical resonance. The charge pumping is due to an important dynamic adjustment of the oscillating motion to the antenna signal and it is different from the mechanism active in the two-parameter pumping. Finally, the second harmonic oscillator response shows an interesting relationship with the first harmonic that should be experimentally observed.
PACS: 85.85.+j – Micro- and nano-electromechanical systems (MEMS/NEMS) and devices / 81.07.De – Nanotubes / 73.63.-b – Electronic transport in nanoscale materials and structures
© EPLA, 2013
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