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Condensed-matter physics

Polarized light boosts valleytronics

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Electrons can be confined to individual momentum valleys in the electronic structure of molybdenum disulphide by shining circularly polarized light onto single layers of this two-dimensional material.

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Figure 1: The atoms in single layers of molybdenum disulphide (MoS2) and graphene are arranged hexagonally, but there are important differences between the two materials.

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Authors and Affiliations

  1. Kamran Behnia is in the Ecole Supérieure de Physique et de Chimie Industrielles, 75005 Paris, France,

    Kamran Behnia

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  1. Kamran Behnia
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Correspondence to Kamran Behnia.

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Behnia, K. Polarized light boosts valleytronics. Nature Nanotech 7, 488–489 (2012). https://doi.org/10.1038/nnano.2012.117

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