Abstract
Bi1.8Pb0.4Sr2Ca2-xMxCu3Oy (M = Mg, Na, Ce) Superconductor with x = 0.15 made through the solid method has been characterized by its physical and electrical properties. The purpose of this study was to determine the type of dopant in the superconductor Bi1.8Pb0.4Sr2Ca2-xMxCu3Oy which affected the best resulting morphology and critical temperature (Tc). Characterization of physical properties to determine morphology was done using Scanning Electron Microscope (SEM) JEOL-390, while the characterization of electrical properties to determine critical temperature (Tc) was carried out using Cryogenic Magnet Teslatron. The results showed that the type of dopant substituted on the superconductor Bi1.8Pb0.4Sr2Ca2-xMxCu3Oy greatly affected the morphology and critical temperature (Tc) produced. The best type of dopant that produces the optimum critical temperature is dopant Mg with Tconset = 120.2 K and Tc zero = 108.4 K, where the morphology formed looks homogeneous with low porosity.
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