Optical separation of mechanical strain from charge doping in graphene.

@article{Lee2012OpticalSO,
  title={Optical separation of mechanical strain from charge doping in graphene.},
  author={Ji Eun Lee and Gwanghyun Ahn and Jihye Shim and Young Sik Lee and Sunmin Ryu},
  journal={Nature communications},
  year={2012},
  volume={3},
  pages={
          1024
        }
}
  • Ji Eun Lee, Gwanghyun Ahn, +2 authors Sunmin Ryu
  • Published in Nature communications 2012
  • Materials Science, Medicine, Biology, Physics
  • Because of its superior stretchability, graphene exhibits rich structural deformation behaviours and its strain engineering has proven useful in modifying its electronic and magnetic properties. Despite the strain-sensitivity of the Raman G and 2D modes, the optical characterization of the native strain in graphene on silica substrates has been hampered by excess charges interfering with both modes. Here we show that the effects of strain and charges can be optically separated from each other… CONTINUE READING

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