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"One-way Superconductor" from Delft University of Technology
"In what we call "Quantum Material Josephson Junctions" (QMJJs), we replace the classical barrier material in JJs with a quantum material barrier, where the quantum material's intrinsic properties can modulate the coupling between the two superconductors in novel ways. The Josephson Diode was an example of this: we used the quantum material Nb3Br8, which is a 2D material like graphene that has been theorized to host a net electric dipole, as our quantum material barrier of choice and placed it between two superconductors."