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Showing 1–6 of 6 results
Advanced filters: Author: Tonghang Han Clear advanced filters

  • Orbital multiferroicity reported in pentalayer rhombohedral graphene features ferro-orbital-magnetism and ferro-valleytricity, both of which can be controlled by an electric field.

    • Tonghang Han
    • Zhengguang Lu
    • Long Ju
    Research
    Nature
    Volume: 623, P: 41-47

  • Observations indicating the chiral nature of superconducting states in five rhombohedral tetralayer and pentalayer graphene devices without moiré superlattice effects are reported, establishing a pure carbon material for the study of topological superconductivity.

    • Tonghang Han
    • Zhengguang Lu
    • Long Ju
    Research
    Nature
    P: 1-8

  • Pentalayer graphene in the rhombohedral stacking order exhibits rich phases including a correlated insulator, isospin-polarized metals and Chern insulators. These findings demonstrate electron-correlated and topological states in crystalline 2D materials without the need for a moiré superlattice.

    • Tonghang Han
    • Zhengguang Lu
    • Long Ju
    Research
    Nature Nanotechnology
    Volume: 19, P: 181-187

  • New topological states have been observed in rhombohedral graphene/hBN moiré superlattices, including fractional and extended quantum anomalous Hall effects, at ultra-low temperatures, demonstrating the rich quantum phenomena emerging from correlated electrons in topological flat bands.

    • Zhengguang Lu
    • Tonghang Han
    • Long Ju
    Research
    Nature
    Volume: 637, P: 1090-1095

  • The authors present transport measurements of rhombohedral trilayer graphene proximitized by transition metal dichalcogenides. They find that the presence of transition metal dichalcogenides enables the emergence of new superconducting and metallic phases and affects the superconducting states present in bare rhombohedral trilayer graphene.

    • Jixiang Yang
    • Xiaoyan Shi
    • Long Ju
    Research
    Nature Materials
    Volume: 24, P: 1058-1065

  • Integer and fractional quantum anomalous Hall effects in a rhombohedral pentalayer graphene–hBN moiré superlattice are observed, providing an ideal platform for exploring charge fractionalization and (non-Abelian) anyonic braiding at zero magnetic field.

    • Zhengguang Lu
    • Tonghang Han
    • Long Ju
    Research
    Nature
    Volume: 626, P: 759-764