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Showing 1–4 of 4 results
Advanced filters: Author: Byungmin Sohn Clear advanced filters

  • The interplay between heavy fermion systems and geometric flat bands is often hindered by a scarcity of material realizations. Here, the authors report on the coexistence of geometrically frustrated flat bands and Kondo resonance states near the Fermi level in YbCr6Ge6.

    • Hanoh Lee
    • Churlhi Lyi
    • Tuson Park
    ResearchOpen Access
    Nature Communications
    Volume: 17, P: 1-10

  • Transition metal oxides exhibit a variety of correlated phases in their bulk form; however, they typically become insulators in the monolayer limit. Here, the authors report a correlated metallic state in a single-atomic layer of epitaxial SrRuO3, realized in epitaxial oxide heterostructure.

    • Byungmin Sohn
    • Jeong Rae Kim
    • Changyoung Kim
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • Hund’s coupling, or the intra-atomic exchange, can drive novel quantum phases in multi-orbital systems, but this requires precise control of orbital occupancy. Ko et al. report an orbital-selective metal-to-insulator transition driven by Hund´s physics via symmetry-preserving strain tuning in monolayer SrRuO3.

    • Eun Kyo Ko
    • Sungsoo Hahn
    • Tae Won Noh
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-9