Polarization selection rules for inter-landau-level transitions in epitaxial graphene revealed by the infrared optical hall effect

P. Kühne, V. Darakchieva, R. Yakimova, J. D. Tedesco, R. L. Myers-Ward, C. R. Eddy, D. K. Gaskill, C. M. Herzinger, John A Woollam, Mathias Schubert, T. Hofmann

Research output: Contribution to journalArticle

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Abstract

We report on the polarization selection rules of inter-Landau-level transitions using reflection-type optical Hall effect measurements from 600 to 4000 cm-1 on epitaxial graphene grown by thermal decomposition of silicon carbide. We observe symmetric and antisymmetric signatures in our data due to polarization preserving and polarization mixing inter-Landau-level transitions, respectively. From field-dependent measurements, we identify that transitions in coupled graphene monolayers are governed by polarization mixing selection rules, whereas transitions in decoupled graphene monolayers are governed by polarization preserving selection rules. The selection rules may find explanation by different coupling mechanisms of inter-Landau-level transitions with free charge carrier magneto-optic plasma oscillations.

Original languageEnglish (US)
Article number077402
JournalPhysical Review Letters
Volume111
Issue number7
DOIs
StatePublished - Aug 14 2013

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Hall effect
graphene
polarization
preserving
plasma oscillations
magneto-optics
silicon carbides
thermal decomposition
charge carriers
signatures

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Kühne, P., Darakchieva, V., Yakimova, R., Tedesco, J. D., Myers-Ward, R. L., Eddy, C. R., ... Hofmann, T. (2013). Polarization selection rules for inter-landau-level transitions in epitaxial graphene revealed by the infrared optical hall effect. Physical Review Letters, 111(7), [077402]. https://doi.org/10.1103/PhysRevLett.111.077402

Polarization selection rules for inter-landau-level transitions in epitaxial graphene revealed by the infrared optical hall effect. / Kühne, P.; Darakchieva, V.; Yakimova, R.; Tedesco, J. D.; Myers-Ward, R. L.; Eddy, C. R.; Gaskill, D. K.; Herzinger, C. M.; Woollam, John A; Schubert, Mathias; Hofmann, T.

In: Physical Review Letters, Vol. 111, No. 7, 077402, 14.08.2013.

Research output: Contribution to journalArticle

Kühne, P, Darakchieva, V, Yakimova, R, Tedesco, JD, Myers-Ward, RL, Eddy, CR, Gaskill, DK, Herzinger, CM, Woollam, JA, Schubert, M & Hofmann, T 2013, 'Polarization selection rules for inter-landau-level transitions in epitaxial graphene revealed by the infrared optical hall effect', Physical Review Letters, vol. 111, no. 7, 077402. https://doi.org/10.1103/PhysRevLett.111.077402
Kühne, P. ; Darakchieva, V. ; Yakimova, R. ; Tedesco, J. D. ; Myers-Ward, R. L. ; Eddy, C. R. ; Gaskill, D. K. ; Herzinger, C. M. ; Woollam, John A ; Schubert, Mathias ; Hofmann, T. / Polarization selection rules for inter-landau-level transitions in epitaxial graphene revealed by the infrared optical hall effect. In: Physical Review Letters. 2013 ; Vol. 111, No. 7.
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