Probing nonlinear mechanical effects through electronic currents: The case of a nanomechanical resonator acting as an electronic transistor (Articolo in rivista)

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Label
  • Probing nonlinear mechanical effects through electronic currents: The case of a nanomechanical resonator acting as an electronic transistor (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.86.035420 (literal)
Alternative label
  • A. Nocera1,2, C. A. Perroni3,4, V. Marigliano Ramaglia1,4, and V. Cataudella3,4 (2012)
    Probing nonlinear mechanical effects through electronic currents: The case of a nanomechanical resonator acting as an electronic transistor
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Nocera1,2, C. A. Perroni3,4, V. Marigliano Ramaglia1,4, and V. Cataudella3,4 (literal)
Pagina inizio
  • 35420-1 (literal)
Pagina fine
  • 35420-6 (literal)
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  • http://link.aps.org/doi/10.1103/PhysRevB.86.035420 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 86 (literal)
Rivista
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  • 6 (literal)
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  • 1CNISM, UdR Napoli Università, I-80126 Napoli, Italy 2Dipartimento di Fisica E. Amaldi, Università di Roma Tre, Via della Vasca Navale 84, I-00146 Roma, Italy 3CNR-SPIN, Complesso Universitario Monte Sant'Angelo, Via Cintia, I-80126 Napoli, Italy 4Università degli Studi di Napoli Federico II, Complesso Universitario Monte Sant'Angelo, Via Cintia, I-80126 Napoli, Italy (literal)
Titolo
  • Probing nonlinear mechanical effects through electronic currents: The case of a nanomechanical resonator acting as an electronic transistor (literal)
Abstract
  • We study a general model describing a self-detecting single electron transistor realized by a suspended carbon nanotube actuated by a nearby antenna. The main features of the device, recently observed in a number of experiments, are accurately reproduced. When the device is in a low current-carrying state, a peak in the current signals a mechanical resonance. On the contrary, a dip in the current is found in high current-carrying states. In the nonlinear vibration regime of the resonator, we are able to reproduce quantitatively the characteristic asymmetric shape of the current-frequency curves. We show that the nonlinear effects coming out at high values of the antenna amplitude are related to the effective nonlinear force induced by the electronic flow. The interplay between electronic and mechanical degrees of freedom is understood in terms of a unifying model, including in an intrinsic way the nonlinear effects driven by the external probe. (literal)
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