THE EFFECT ON STRUCTURAL AND SURFACE MORPHOLOGICALPROPERTIES OF NANOSTRUCTURED Bi1.6Pb0.4Sr2Ca2Cu2.70Zn0.30O10+δBASED HIGH TEMPERATURE SUPERCONDUCTORS
نویسندگان
چکیده
The effects of Surface morphological Properties of Nanostructured Bi1.6Pb0.4Sr2Ca2Cu2.70Zn0.30O10+δ based High Temperature Superconductors have been investigated. Bi1.6Pb0.4Sr2Ca2Cu2.70Zn0.30O10+δ superconducting samples are prepared by solid-state reaction route. Bi1.6Pb0.4Sr2Ca2Cu2.70Zn0.30O10+δ superconductors were prepared in bulk form. The phase identification /gross structural characteristics of synthesized (HTSC) materials explored through powder x-ray diffractometer reveals that all the samples crystallize in orthorhombic structure with lattice parameters a = 5.4918Å, b = 5.4071Å and c = 37.0608Å.The critical temperature (Tc) measured by standard four probe method has been found to 108 K. The surface morphology investigated through scanning electron microscope and atomic force microscopy (SEM & AFM) results that small voids & larger grains size besides, nanosphere like structures on the surface of Bi1.6Pb0.4Sr2Ca2Cu2.70Zn0.30O10+δsample.
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تاریخ انتشار 2012