Magnetic hysteresis of the critical current density of polycrystalline (Bi-Pb)-Sr-Ca-Cu-O superconductors a fingerprint of the intragranular and intergranular flux trapping
P Mune E Govea-Alcaide; R. F Jardim (Renato Figueiredo)
Physica C Amsterdam v. 354, n. 1-4, p. 275-278, 2001