Synthesis and characterization of Ln-123 superconductors
Copyright policy )Synthesis and characterization of Ln-123 superconductors
A sol-gel method was applied to prepare precursors for NdBa2Cu3O7-x (Nd-123) and SmBa2Cu3O7-x (Sm-123) superconducting compounds. The sintered products were examined by X-ray diffraction analysis (XRD) and scanning electron microscopy (SEM). The powders sintered at 950 and 1000 ?C showed the formation of monophasic Nd-123 and Sm-123 superconductors. The formation of Nd-123 and Sm-123 phases from the sol-gel derived precursors at higher temperatures (1050 and 1100 ?C), however, did not proceed due to the melting process. The correlation between the TC for different lanthanides (Ln Ho, Nd and Sm) in the Ln-123 compound and orthorhombicity and oxygen stoichiometry were also estimated.
- Vilnius University Lithuania
123 superconductors, Chemistry, sol–gel synthesis, substitution effects, lanthanides, sol-gel synthesis, QD1-999
123 superconductors, Chemistry, sol–gel synthesis, substitution effects, lanthanides, sol-gel synthesis, QD1-999
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