Abstract
The influence of a fast neutron irradiation on the structure and critical temperature of Bi2Sr2Ca2Cu3O10+δ (A), s Bi1.8Pb0.2Sr2Ca2Cu2.8Ni0.2O10+δ (B) and Bi1.6Pb0.4Sr2Ca2Cu2.6Ni0.4O10+δ (C) system were investigated utilizing X-ray diffraction analysis and four probes technique to determined lattice parameters and critical temperatures. It has been found that the critical temperature was decreased by 6.5k, 6.5k and 7k for A, B and C respectively after irradiated by 1.296 × 1011neutroncm2. associated to decrease in oxygen content values. And XRD analysis explained that the structure corresponding to orthorhombic structure with the majority high Tc (2223) phase, and the minority low-Tc (2212) phase in addition to small amount of unknown phase.
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