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Charging of graphene by a magnetic field and the mechanical effect of magnetic oscillations
journal contribution
posted on 2013-11-07, 11:45 authored by Sergey SlizovskiyWe discuss the fact that the quantum capacitance of graphene-based devices leads to variation of graphene charge density under changes of external magnetic field. The charge is conserved, but redistributes to the substrate or other graphene sheets. We derive an exact analytic expression for charge redistribution in the case of ideal graphene in a strong magnetic field. When we account for impurities and temperature, the effect decreases and the formulas reduce to standard quantum capacitance expressions. The importance of quantum capacitance for potential Casimir force experiments is emphasized and the corresponding corrections are worked out.
Funding
This work was supported by the Engineering and Physical Sciences Research Council (EPSRC) [grant number EP/l02669X/1].
History
School
- Science
Department
- Physics
Citation
SLIZOVSKIY, S., 2013. Charging of graphene by a magnetic field and the mechanical effect of magnetic oscillations. Journal of Physics: Condensed Matter, 25 (496007), 5pp.Publisher
© IOP Publishing Ltd.Version
- AM (Accepted Manuscript)
Publication date
2013Notes
This article was published in the Journal of Physics: Condensed Matter [© IOP Publishing Ltd.] and the definitive version is available at: http://dx.doi.org/10.1088/0953-8984/25/49/496007ISSN
0953-8984eISSN
1361-648XPublisher version
Language
- en