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Valleytronics

Could use a break

Electric fields can controllably break the inversion symmetry of bilayer graphene, which can be harnessed to generate pure valley currents.

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Figure 1: Valley Hall effect.

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Correspondence to François Amet or Gleb Finkelstein.

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Amet, F., Finkelstein, G. Could use a break. Nature Phys 11, 989–990 (2015). https://doi.org/10.1038/nphys3587

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