Magneto-transmission as a probe of Dirac fermions in bulk graphite
arXiv:0805.0553 · doi:10.1088/0953-8984/20/45/454223
Abstract
Far infrared magneto-transmission spectroscopy has been used to probe "relativistic" fermions in highly oriented pyrolytic and natural graphite. Nearly identical transmission spectra of those two materials are obtained, giving the signature of Dirac fermions via absorption lines with an energy that scales as \sqrt{B}. The Fermi velocity is evaluated to be c*=1.02x10^6 m/s and the pseudogap at the H point is estimated to be below 10 meV.
arXiv comment6 pages, 3 figures
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- Direct observation of Landau level resonance and mass generation in Dirac semimetal Cd3As2 thin films
- Dirac Fermions in Graphite: the State of Art
- Invited review: Graphite and its hidden superconductivity
- Magneto-transmission of multi-layer epitaxial graphene and bulk graphite: A comparison
- Infrared magneto-spectroscopy of graphite in tilted fields