The effect of adding nickel oxide NiO on the electrical and magnetic properties of the superconductor compound Bi2Ba2Ca2Cu3O10-Δ at high temperatures

Two models were prepared for this research by solid-state reaction method, using the annealing method, at a pressure of 8 tan/cm² and a temperature of 800 ℃. In the first model, the element Ni was partially replaced by the element Cu in a ratio of x=1 to become the compound Bi2Ba2Ca2Cu3-xNixO10+δ, and in the second model the element was partially replaced Ni with the element Cu by x=2 The electrical tests of the first model showed a significant increase in the value of the critical temperature, where the critical temperature Tc reached a value of 136.5 k, and in the second model the critical temperature reached 130 k The structural properties of the X-ray diffraction of the models showed the presence of a specific phase So that when x=1 a=(5.4179) A° b=(5.5786) A°, c=(36.5693) A° And when x=2 kept the rhombic phase a=(5.4311) A°, b=(5.5531) A°, c=(36.3926) A°, while an increase in the value of c=(36.5693) A° when x=1 showed Examinations of the two models in the SEM device The first model with a magnification of 100.00kx found the formation of granular size ranges from 37.19nm to 457.1nm with a magnification of 500kx found the formation of light-colored homogeneous blocks, while the second model with a magnification of 100.00kx found the formation of granular size ranging from 227.5nm to 485.3nm with a magnification of 500kx The formation of a homogeneous light-colored mass with clear and compact images. The magnetic tests showed that the hysteresis rings formed in the two models are very narrow and that there is a completely inverse relationship between the tightness of the rings and the improvement of the critical temperature. Tc This applies to the two models, as the tightness of the hysterics rings in the second model is greater than the tightness of the hysterics rings in the first model.