期刊
SOLID STATE COMMUNICATIONS
卷 150, 期 45-46, 页码 2209-2211出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2010.09.042
关键词
Bilayer graphene; Quantum Hall effect; Landau levels
资金
- EuroMagNET under EU [228043]
- Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)
- Engineering and Physical Sciences Research Council (UK)
- Royal Society
- European Research Council [ERC-2007-StG]
- Office of Naval Research
- Air Force Office of Scientific Research
- Stichting Fundamenteel Onderzoek der Materie (FOM)
- EPSRC [EP/G035954/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/G035954/1] Funding Source: researchfish
We have measured the quantum Hall activation gaps in bilayer graphene at filling factors nu = +/- 4 and nu = +/- 8 in high magnetic fields up to 30 T We find that energy levels can be described by a 4-band relativistic hyperbolic dispersion The Landau level width is found to contain a field independent background due to an intrinsic level broadening and a component which increases linearly with magnetic field (C) 2010 Elsevier Ltd All rights reserved
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