Sarun, P M; Shabna, R; Vinu, S; Biju, A; Syamaprasad, U
(Elsevier, 2009-05-01)
The effects of Y and Pb co-doping on phase evolution, microstructure, electrical and superconducting properties of Bi-2212 have been studied. The results show that Y3+ ions enter into the crystal structure by replacing ...