New symmetry-broken Chern insulators with C = +3, ±2, ±1 at v = -2.5 or -2.6, plus the known C = -4 at v = -1, were observed in rhombohedral tetralayer graphene/hBN moiré superlattices and shown to be tunable via twist angle, electric field, and magnetic field.
Liu et al., Diverse High-Chern-Number Quantum Anomalous Hall Insulators in Twisted Rhombohedral Graphene
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Experimental discovery of a family of high-Chern-number orbital magnets in twisted (1+n) rhombohedral graphene with observed topological hierarchy C = n for n=3,4,5.
citing papers explorer
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Tunable high-Chern-number Chern insulators in rhombohedral tetralayer graphene/hBN moir\'e superlattices
New symmetry-broken Chern insulators with C = +3, ±2, ±1 at v = -2.5 or -2.6, plus the known C = -4 at v = -1, were observed in rhombohedral tetralayer graphene/hBN moiré superlattices and shown to be tunable via twist angle, electric field, and magnetic field.
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Family of High-Chern-Number Orbital Magnets in Twisted Rhombohedral Graphene
Experimental discovery of a family of high-Chern-number orbital magnets in twisted (1+n) rhombohedral graphene with observed topological hierarchy C = n for n=3,4,5.