Fabrication and the effect of Sb2O3 nanoparticles on Bi-2223 superconductor

Abstract

In this paper Sb2O3 nanoparticles are synthesized by solution method. The effect of these nanoparticles on the Bi-2223 superconductor properties has been investigated. The critical temperature, critical current density and activation energy were measured by the standard four-probe method. Magnetic properties of the samples were measured by using the AC magnetic susceptibility. The microstructure and morphology of samples have been studied by X-ray diffraction, scanning electron microscope and energy dispersive X-ray. The results of X-ray diffraction patterns show that the low amount of Sb2O3 and long annealing time enhance the fraction of Bi -2223 phase. Also the results show that the Sb2O3 nanoparticles do not change the phases and critical temperature of Bi-2223 superconductor, but by increasing the amount of Sb2O3 nanoparticles, the critical current density and the activation energy of the samples increase.

Keywords

References

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History

  • Receive Date: 02 July 2025
  • Revise Date: 04 February 2026
  • Accept Date: 02 July 2025

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