Graphene magnetoresistance device in van der pauw geometry

  • Lu J
  • Zhang H
  • Shi W
 et al. 
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Abstract

We have fabricated extraordinary magnetoresistance (EMR) device, comprising a monolayer graphene with an embedded metallic disk, that exhibits large room temperature magnetoresistance (MR) enhancement of up to 55,000% at 9 T. Finite element simulations yield predictions in excellent agreement with the experiment and show possibility for even better performance. Simplicity, ease of implementation and high sensitivity of this device imply great potential for practical applications.

Author-supplied keywords

  • Graphene
  • extraordinary magnetoresistance
  • finite element simulations
  • magnetoresistance sensitivity

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Authors

  • Jianming Lu

  • Haijing Zhang

  • Wu Shi

  • Zhe Wang

  • Yuan Zheng

  • Ting Zhang

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