Investigation of structural effects of Bi nanoparticle addition on HTSC- BSCCO-2223,Through The sol-gel Method
In this research, the influence of Bi nanoparticles addition on the high temperature superconductor BSCCO-2223 was studied. For this purpose, the samples were synthesized by the conventional sol-gel method. Then, the Bi nanoparticles with x= 0.00, 0.03, 0.06, 0.12wt% was added to BSCCO-2223. The structural characterization of all the samples was done by X-ray diffraction pattern (XRD). Also, the microstructural and grain connectivity of the samples investigation by “Field Emission Scanning Electron Microscope” (FE-SEM). In addition, the volume fraction of all the samples was estimated by using “Material Analysis Using Diffraction” (MAUD) software. These results showed that the sample with non-added Bi has the highest volume fraction of Bi-2223 phase (77.3%) compared to added samples with Bi nanoparticles. Furthermore, the FE-SEM photographs showed that when Bi nanoparticles addition increases, the porosity and voids increase.Therefore, the experimental results indicate that structural properties and crystallographic of the samples weakened by increasing of Bi nanoparticles as an additive in the high temperature superconductor BSCCO-2223.
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