science π¬ Graphene superconductivity switched off by weakening electron links
Researchers completely turned off superconductivity in magic-angle graphene by weakening the interactions between its electrons. This breakthrough was achieved by scientists at The University of Manchesterβs National Graphene Institute and collaborators. The experiments were conducted on magic-angle twisted bilayer graphene, which is stacked with a 1.1-degree offset. By screening electrons, the team found that superconductivity suppressed, suggesting electron interactions are key to the phenomenon. This finding helps narrow down the mystery of this exotic state, potentially aiding high-temperature superconductor research. π¬