Ultrahigh magnetic field study of layer split bands in graphite

We report studies of the magnetospectroscopy of graphite into a new regime of high energies and ultrahigh magnetic fields which allows us to perform the first spectroscopic studies of the interlayer split-off bands, E1 and E2. These bands can be well described by an asymmetric bilayer model and have...

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Bibliographic Details
Published in:Physical review letters 2013-08, Vol.111 (9), p.096802-096802, Article 096802
Main Authors: Nicholas, R J, Solane, P Y, Portugall, O
Format: Article
Language:English
Subjects:
Condensed Matter
Physics
Superconductivity
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Summary:We report studies of the magnetospectroscopy of graphite into a new regime of high energies and ultrahigh magnetic fields which allows us to perform the first spectroscopic studies of the interlayer split-off bands, E1 and E2. These bands can be well described by an asymmetric bilayer model and have only a small interlayer band gap asymmetry. We show that all of the properties of the electrons and holes can be described by a simple relativistic behavior determined by γ0 and γ1.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.111.096802