Bismuth compounds 3 Coprecipitation 2 Coprecipitation method 2 Current density 2 Flux pinning 2 High temperature superconductors 2 Scanning electron microscopy 2 Superconducting tapes 2 Superconductivity 2 Superconductor 2 Superconductor tapes 2 Transport critical current density 2 X ray diffraction analysis 2 AC loss 1 AC losses 1 Ag-sheathed Bi-2223 tapes 1 BSCCO 1 BSCCO superconductor 1 Barium compounds 1 Cable sheathing 1 Cadmium 1 Calcium 1 Carbon nanofibers 1 Cd substitution 1 Co3O4nanoparticles 1 Complex ac susceptibility 1 Critical current density 1 Critical currents 1 Critical temperatures 1 Diamagnetism 1