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A lucky break

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The ability to harness spin polarization is critical for many semiconductor spin devices. It now seems that spin–orbit coupling with locally broken symmetry can enable a giant spin polarization in a semiconductor that is otherwise inversion symmetric.

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Figure 1: Valley-dependent spin polarization in an inversion-symmetric crystal.

References

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Authors and Affiliations

  1. John Schaibley is in the Department of Physics at the University of Washington, Seattle, Washington 98195, USA,

    John Schaibley

  2. Xiaodong Xu is in the Departments of Physics and Materials Science and Engineering at the University of Washington, Seattle, Washington 98195, USA,

    Xiaodong Xu

Authors
  1. John Schaibley
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  2. Xiaodong Xu
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Correspondence to John Schaibley or Xiaodong Xu.

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Schaibley, J., Xu, X. A lucky break. Nature Phys 10, 798–799 (2014). https://doi.org/10.1038/nphys3138

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