Landau level spectroscopy of ultrathin graphite layers

Abstract

Far infrared transmission experiments are performed on ultrathin epitaxial graphite samples in a magnetic field. The observed cyclotron resonance-like and electron-positron-like transitions are in excellent agreement with the expectations of a single-particle model of Dirac fermions in graphene, with an effective velocity of c* = 1.03 x 10^6 m/s.

4 pages 4 figures Slight revisions following referees' comments. One figure modified

References in corpus (7)

• Electric Field Effect in Atomically Thin Carbon Films
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• Unconventional quantum Hall effect and Berry's phase of 2pi in bilayer graphene
• Unconventional Integer Quantum Hall effect in graphene
• Electronic states and Landau levels in graphene stacks
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