Untying the insulating and superconducting orders in magic-angle graphene

Untying the insulating and superconducting orders in magic-angle graphene

Nature, Published online: 06 July 2020; doi:10.1038/s41586-020-2459-6

Tuning the electronic interactions by changing the dielectric environment of twisted bilayer graphene reveals the disappearance of the insulating states and their replacement by superconducting phases, suggesting a competition between the two phases.
Source: Nature