Fractional high-Chern insulator in twisted rhombohedral graphene

Nature, Published online: 15 July 2026; doi:10.1038/s41586-026-10762-7A rich variety of both integer and fractional high-Chern insulators are observed in a moiré system composed of Bernal bilayer graphene and rhombohedral tetralayer gr…

Nature, Published online: 15 July 2026; doi:10.1038/s41586-026-10762-7

A rich variety of both integer and fractional high-Chern insulators are observed in a moiré system composed of Bernal bilayer graphene and rhombohedral tetralayer graphene.