Both a Dirac band and a flat band — signatures of topology and correlation — are found in a prototypical antiferromagnetic kagome lattice compound FeSn.
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Ghimire, N.J., Mazin, I.I. Topology and correlations on the kagome lattice. Nat. Mater. 19, 137–138 (2020). https://doi.org/10.1038/s41563-019-0589-8
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DOI: https://doi.org/10.1038/s41563-019-0589-8
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