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Magnetic quantum oscillations in a monolayer graphene under a perpendicular magnetic field |
Fu Zhen-Guo(付振国)a)b), Wang Zhi-Gang(王志刚)b), Li Shu-Shen(李树深)a), and Zhang Ping(张平)b)† |
a State Key Laboratory for Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China; b Laboratory of Computational Physics, Institute of Applied Physics and Computational Mathematics, Beijing 100088, China |
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Abstract The de Haas–van Alphen (dHvA) oscillations of electronic magnetization in a monolayer graphene with structure-induced spin–orbit interaction (SOI) are studied. The results show that the dHvA oscillating centre in this system deviates from the well known (zero) value in a conventional two-dimensional electron gas. The inclusion of SOI will change the well-defined sawtooth pattern of magnetic quantum oscillations and result in a beating pattern. In addition, the SOI effects on Hall conductance and magnetic susceptibility are also discussed.
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Received: 17 October 2010
Revised: 01 December 2010
Accepted manuscript online:
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PACS:
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81.05.ue
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(Graphene)
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73.22.Pr
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(Electronic structure of graphene)
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75.70.Tj
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(Spin-orbit effects)
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72.15.Gd
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(Galvanomagnetic and other magnetotransport effects)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 90921003, 10904005, 60821061, 60776061 and 60776063) and the National Basic Research Program of China (Grant Nos. 2009CB929103 and 2009CB929300). |
Cite this article:
Fu Zhen-Guo(付振国), Wang Zhi-Gang(王志刚), Li Shu-Shen(李树深), and Zhang Ping(张平) Magnetic quantum oscillations in a monolayer graphene under a perpendicular magnetic field 2011 Chin. Phys. B 20 058103
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