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Van der waals heterostructures

Quadrupolar excitons take the stage

Nature Materials volume 22, pages 1437–1438 (2023)Cite this article

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Hybridized electron or hole states across semiconducting van der Waals monolayers in heterotrilayer systems enable the emergence of quadrupolar excitons. Quadrupolar excitons, unlike their dipolar counterparts, have a tunable static dipole moment that responds nonlinearly under an applied electric field.

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Fig. 1: Emergence of quadrupolar excitons in heterotrilayers.

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  1. These authors contributed equally: Elyse Barré, Medha Dandu.

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  1. Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, USA

    Elyse Barré, Medha Dandu & Archana Raja

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  1. Elyse Barré
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  2. Medha Dandu
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  3. Archana Raja
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Correspondence to Archana Raja.

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Barré, E., Dandu, M. & Raja, A. Quadrupolar excitons take the stage. Nat. Mater. 22, 1437–1438 (2023). https://doi.org/10.1038/s41563-023-01741-8

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