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Onset of Landau-Level Formation in Carbon-Nanotube-Based Electronic Fabry-Perot Resonators

Bertrand Raquet, Rémi Avriller, Benjamin Lassagne, Sébastien Nanot, Walter Escoffier, Jean-Marc Broto, and Stephan Roche
Phys. Rev. Lett. 101, 046803 – Published 24 July 2008
Physics logo See Synopsis: Landau levels in a nanotube

Abstract

We report on the onset of Landau-level formation in a carbon nanotube-based Fabry-Perot resonator. Supported by excellent agreement between calculated and measured magnetoconductance patterns, the applied perpendicular magnetic field is shown to modulate the Fabry-Perot conductance oscillations consistently with the formation of a Landau level in the 1D massless Dirac fermions particle excitations.

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  • Received 6 May 2008

DOI:https://doi.org/10.1103/PhysRevLett.101.046803

©2008 American Physical Society

Synopsis

Key Image

Landau levels in a nanotube

Published 6 August 2008

The formation of Landau levels in a magnetic field is the hallmark of a two-dimensional electron system, such as graphene. Experiments now suggest that Landau levels can also form in carbon nanotubes.

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Authors & Affiliations

Bertrand Raquet1, Rémi Avriller2, Benjamin Lassagne1,*, Sébastien Nanot1, Walter Escoffier1, Jean-Marc Broto1, and Stephan Roche2

  • 1Laboratoire National des Champs Magnétiques Pulsés, INSA UPS CNRS, UMR 5147, Université de Toulouse, 143 av. de rangueil, 31400 Toulouse, France
  • 2Commissariat à l’Energie Atomique, INAC/SPSMS/GT, 17 avenue des Martyrs, Grenoble, France

  • *Present address: Institut Català de Nanotecnologia, Barcelona, Spain.

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Issue

Vol. 101, Iss. 4 — 25 July 2008

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