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CONDENSED MATTER

Kagome lattices with chiral charge density

Nature Materials volume 20, pages 1308–1309 (2021)Cite this article

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Scanning tunnelling microscopy experiments reveal a chiral charge density wave order underpinning the anomalous Hall effect in kagome lattice materials. Under pressure this charge order is suppressed, while superconductivity gets a boost.

There is a longstanding desire among the condensed-matter community to find materials with topological phases built from strongly interacting electrons. Such materials could, for example, bring the physics of the fractional quantum Hall effect from ultra-low temperatures to the more accessible liquid nitrogen temperature or, potentially, even room temperature1. The quest for finding such materials has recently been reinvigorated with the emergence of metallic kagome lattice materials with intricate lattice structure and rich magnetic phases2,3, especially the discovery of vanadium-based kagome prototype materials4.

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Fig. 1: Charge order as a source of the anomalous Hall effect in kagome lattice materials.

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Authors and Affiliations

  1. Institute of Physics, University of Amsterdam, Amsterdam, the Netherlands

    Erik van Heumen

  2. QuSoft, Amsterdam, the Netherlands

    Erik van Heumen

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  1. Erik van Heumen
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Correspondence to Erik van Heumen.

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van Heumen, E. Kagome lattices with chiral charge density. Nat. Mater. 20, 1308–1309 (2021). https://doi.org/10.1038/s41563-021-01095-z

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