| Issue |
EPL
Volume 94, Number 5, June 2011
|
|
|---|---|---|
| Article Number | 57004 | |
| Number of page(s) | 4 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/94/57004 | |
| Published online | 25 May 2011 | |
Observation of both classical and quantum magnetoresistance in bilayer graphene
1
State Key Laboratory for Mesoscopic Physics, Department of Physics, Peking University - Beijing 100871, PRC
2
CRANN and School of Physics, Trinity College Dublin - Dublin 2, Ireland, EU
a
liaozm@pku.edu.cn
b
wuhc@tcd.ie
c
yudp@pku.edu.cn
Received:
5
March
2011
Accepted:
20
April
2011
Magnetoresistance (MR) in bilayer graphene was experimentally investigated by varying magnetic-field strength. A transition from classical MR (superlinear dependence (B4/3)) to quantum MR (Shubnikov-de Haas oscillations) was observed at a magnetic field of about 10 T. The superlinear MR dependence is described using a classical route by considering the large inhomogenous mobility spatial distribution of charge carriers. Our experimental results may help to provide a clear physical picture of the magneto-transport properties of inhomogenous graphene.
PACS: 72.80.Vp – Electronic transport in graphene
© EPLA, 2011
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