Guo Li-Ping, Yang Wan-Min, Guo Yu-Xia, Chen Li-Ping, Li Qiang. Effect of Ni2O3 doping on the properties of single domain GdBCO bulk superconductors fabricated by a new modified top-seeding infiltration and growth processJ. Acta Physica Sinica, 2015, 64(7): 077401. DOI: 10.7498/aps.64.077401