Beating of magnetic oscillations in a graphene device probed by quantum capacitance

Muhammad Tahir, Udo Schwingenschlögl

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

We report the quantum capacitance of a monolayergraphene device in an external perpendicular magnetic field including the effects of Rashba spin-orbit interaction(SOI). The SOI mixes the spin up and spin down states of neighbouring Landau levels into two (unequally spaced) energy branches. In order to investigate the role of the SOI for the electronic transport, we study the density of states to probe the quantum capacitance of monolayergraphene.SOIeffects on the quantum magnetic oscillations (Shubnikov de Haas and de Hass-van Alphen) are deduced from the quantum capacitance.
Original languageEnglish (US)
Pages (from-to)013114
JournalApplied Physics Letters
Volume101
Issue number1
DOIs
StatePublished - Jul 6 2012

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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