Synergism effect of Pb doping and microstructure optimization on the superconducting properties of Bi-2212 ceramics. - Zhang, Yifan; Zhang, Shengnan; Liu, Xueqian; He, Yixuan; Liu, Jixing; Feng, Jianqing; Li, Chengshan; Zhang, Pingxiang (Journal of Materials Science: Materials in Electronics, 2024)