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Solid state reaction method has been used to prepare samples with double partial substitution of Ag and Sr in Bi and Ba respectively, within the compound Bi2-xAgx Ba2y Sry Ca2Cu3O10+ . The crystal structure has been studied by using XRay diffraction. The study has found that the prepared sample is tetragonal containing high percentage of Bi-2223 phases. As a result of partial substituting of Ag and Sr in Bi and Ba, it has been noticed that there is increasing in the grains size for super conducting as well as increasing in density which lead to the raising of the critical temperature and arrangement of crystal structure. Also the magnetic suscepitibility has been studied under normal atmosphere pressure and room temperature.

mağallaẗ ʻulūm al-rāfidayn

Effect of Double Partial Substitution of Ag and Sr on Structural and Electrical Properties of High Temperature Bi2-xAgx Ba2- y Sry Ca2Cu3O10+ Superconductors