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- W4384919652 abstract "Kagome lattices constitute versatile platforms for studying paradigmatic correlated phases. While molecular self-assembly of kagome structures on metallic substrates is promising, it is challenging to realize pristine kagome properties because of hybridization with the bulk degrees of freedom and modified electron-electron interactions. We suggest that a superconducting substrate offers an ideal support for a magnetic kagome lattice. Exchange coupling induces kagome-derived bands at the interface, which are protected from the bulk by the superconducting energy gap. We realize a magnetic kagome lattice on a superconductor by depositing Fe-porphin-chloride molecules on Pb(111) and using temperature-activated de-chlorination and self-assembly. This allows us to control the formation of smaller kagome precursors and long-range ordered kagome islands. Using scanning tunneling microscopy and spectroscopy at 1.6 K, we identify Yu-Shiba-Rusinov states inside the superconducting energy gap and track their hybridization from the precursors to larger islands, where the kagome lattice induces extended YSR bands. These YSR-derived kagome bands are protected inside the superconducting energy gap, motivating further studies to resolve possible spin-liquid or Kondo-lattice-type behavior." @default.
- W4384919652 created "2023-07-21" @default.
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- W4384919652 date "2023-07-19" @default.
- W4384919652 modified "2023-10-18" @default.
- W4384919652 title "Yu-Shiba-Rusinov bands in a self-assembled kagome lattice of magnetic molecules" @default.
- W4384919652 doi "https://doi.org/10.48550/arxiv.2307.09993" @default.
- W4384919652 hasPublicationYear "2023" @default.
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