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Ferroelectricity

Metal poles around the bend

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Electric dipoles are common in insulators, but extremely rare in metals. This situation may be about to change, thanks to flexoelectricity.

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Fig. 1: Flexoelectric polarization in a centrosymmetric crystal, and carrier redistribution in a polarized metal vs. a polarized insulator.

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Authors and Affiliations

  1. Catalan Institute of Research and Advanced Studies (ICREA), Barcelona, Catalonia

    Gustau Catalan

  2. Catalan Institute of Nanoscience and Nanotechnology (ICN2), Barcelona Institute of Science and Technology (BIST), Autonomous University of Barcelona, Barcelona, Catalonia

    Gustau Catalan

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  1. Gustau Catalan
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Correspondence to Gustau Catalan.

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Catalan, G. Metal poles around the bend. Nat. Phys. 20, 358–359 (2024). https://doi.org/10.1038/s41567-024-02402-6

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