Superconducting materials 16 superconductivity 15 Quantum optics 12 Qubits 8 SQUIDs 8 Performance 7 Photons 7 Superconducting circuit 7 Superconducting qubits 7 Temperature 7 Timing circuits 7 Calculations 6 Particle beams 6 Quantum Computing 6 Antiferromagnetism 5 Binary alloys 5 Bismuth compounds 5 Current density 5 Doping (additives) 5 Iron compounds 5 Magnetism 5 Scanning electron microscopy 5 Topology 5 Electronic structure 4 Flux pinning 4 Iron-based Superconductors 4 Selenium compounds 4 Superconducting properties 4 Superconductivity 4 Anisotropy 3