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Polarity is a matter of perspective

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The polarity of charge carriers — positive or negative — is found to depend on the direction from which you look.

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Fig. 1: The goniopolar effect.

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Authors and Affiliations

  1. Department of Physics, Massachusetts Institute of Technology, Cambridge, MA, USA

    Brian Skinner

  2. Division of Physics and Applied Physics, Nanyang Technological University, Singapore, Singapore

    Justin C. W. Song

  3. Institute of High Performance Computing, Agency for Science Technology and Research, Singapore, Singapore

    Justin C. W. Song

Authors
  1. Brian Skinner
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  2. Justin C. W. Song
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Correspondence to Justin C. W. Song.

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Skinner, B., Song, J.C.W. Polarity is a matter of perspective. Nat. Mater. 18, 532–533 (2019). https://doi.org/10.1038/s41563-019-0373-9

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