Observation of both classical and quantum magnetoresistance in bilayer graphene

Zhi Min Liao; Yang Bo Zhou; Han Chun Wu; Bing Hong Han; Da Peng Yu

doi:10.1209/0295-5075/94/57004

Observation of both classical and quantum magnetoresistance in bilayer graphene

Zhi Min Liao^*, Yang Bo Zhou, Han Chun Wu, Bing Hong Han, Da Peng Yu

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

Magnetoresistance (MR) in bilayer graphene was experimentally investigated by varying magnetic-field strength. A transition from classical MR (superlinear dependence (B^4/3)) 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.

Original language	English
Article number	57004
Journal	Europhysics Letters
Volume	94
Issue number	5
DOIs	https://doi.org/10.1209/0295-5075/94/57004
Publication status	Published - Jun 2011
Externally published	Yes

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abstract = "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.",

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AU - Liao, Zhi Min

AU - Zhou, Yang Bo

AU - Wu, Han Chun

AU - Han, Bing Hong

AU - Yu, Da Peng

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AB - 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.

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Observation of both classical and quantum magnetoresistance in bilayer graphene

Abstract

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