{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Farhang C"],"funding":["Gordon and Betty Moore Foundation (Gordon E. and Betty I. Moore Foundation)","National Science Foundation (NSF)"],"pagination":["7867"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12375086"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["16(1)"],"pubmed_abstract":["Nematicity, spontaneous breaking of rotational symmetry, is a ubiquitous phenomenon in correlated quantum matter. Here we show a phase transition in high-quality ScV6Sn6 bilayer kagome metal at a temperature T* , occurring seven Kelvins below the charge density wave transition at TCDW , as indicated by thermodynamic, transport, and optical measurements. This emerging intermediate phase does not exhibit spontaneous time-reversal-symmetry breaking, as evidenced by zero-field Sagnac interferometry. However, it displays a strong, spontaneous in-plane anisotropy between T* and TCDW , revealed by transport and optical polarization rotation measurements. A pronounced depolarization effect detected by the Sagnac interferometer further confirms its nematic nature. Unlike AV3Sb5, this phase, alongside the recently discovered intra-unit cell nematic order at lower temperatures, presents a diverse landscape of nematicities at multiple length and temperature scales. Our findings highlight ScV6Sn6 as a prime candidate for realizing symmetry-breaking phases driven by charge density competition, kagome physics, and Van Hove singularities."],"journal":["Nature communications"],"pubmed_title":["Discovery of an intermediate nematic state in a bilayer kagome metal ScV<sub>6</sub>Sn<sub>6</sub>."],"pmcid":["PMC12375086"],"funding_grant_id":["GBMF10276","DMR-2419425"],"pubmed_authors":["Li J","Xia J","Lu W","Mozaffari S","Zhang Y","Madhogaria RP","Mandrus D","Farhang C","Meier WR","Wu Y"],"additional_accession":[]},"is_claimable":false,"name":"Discovery of an intermediate nematic state in a bilayer kagome metal ScV<sub>6</sub>Sn<sub>6</sub>.","description":"Nematicity, spontaneous breaking of rotational symmetry, is a ubiquitous phenomenon in correlated quantum matter. Here we show a phase transition in high-quality ScV6Sn6 bilayer kagome metal at a temperature T* , occurring seven Kelvins below the charge density wave transition at TCDW , as indicated by thermodynamic, transport, and optical measurements. This emerging intermediate phase does not exhibit spontaneous time-reversal-symmetry breaking, as evidenced by zero-field Sagnac interferometry. However, it displays a strong, spontaneous in-plane anisotropy between T* and TCDW , revealed by transport and optical polarization rotation measurements. A pronounced depolarization effect detected by the Sagnac interferometer further confirms its nematic nature. Unlike AV3Sb5, this phase, alongside the recently discovered intra-unit cell nematic order at lower temperatures, presents a diverse landscape of nematicities at multiple length and temperature scales. Our findings highlight ScV6Sn6 as a prime candidate for realizing symmetry-breaking phases driven by charge density competition, kagome physics, and Van Hove singularities.","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Aug","modification":"2026-05-10T04:26:29.559Z","creation":"2026-04-08T01:29:22.773Z"},"accession":"S-EPMC12375086","cross_references":{"pubmed":["40849308"],"doi":["10.1038/s41467-025-63294-5"]}}