Using low-temperature scanning tunnelling microscopy on a MoSe2/few-layer graphene heterostructure enables localized exciton generation and mapping with atomic-scale spatial resolution.
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Huang, L. Tunnelling electrons locally ignite excitons. Nat. Mater. 22, 414–415 (2023). https://doi.org/10.1038/s41563-023-01514-3
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DOI: https://doi.org/10.1038/s41563-023-01514-3