Abstract
Y3Ba5Cu8O18 superconductors were prepared through a standard solid-state reaction and the structural properties of the samples were studied through XRD and the Rietveld refinement method. The effect of silver nanoparticles doping on the Y3Ba5Cu8O18 superconductors was studied as well. It is known that the size of nanoparticles is increased during aging. Therefore, two batches of samples with 1 and 2 wt% of Ag nanoparticles and the size range of 30, 200, 500, 700, 800, and 1000 nm were prepared. After preparing the samples and observing the Meissner effect, the crystallography, critical current density, critical temperature, magnetic susceptibility, SEM, and EDX experiments of the samples were carried out. The results of the critical current density measurements showed that the sample with 2 wt% Ag nanoparticles and the size of 700 nm has the maximum current density. In both batches of samples, increasing the nanoparticle size to 700 nm led to an increase in the critical current density. The crystallography studies showed that silver nanoparticles do not insert into the superconductor’s frame. Actually, they are placed in the samples as a distinct phase.
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The authors are grateful to Shahid Chamran University of Ahvaz for providing support in this project.
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Shoushtari, M.Z., Heidarzadeh, G. & Ghahfarokhi, S.E.M. An Investigation of Y3Ba5Cu8O18 Doping with Ag Nanoparticles and Its Application as Superconductor. J Supercond Nov Magn 31, 3475–3483 (2018). https://doi.org/10.1007/s10948-018-4581-3
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DOI: https://doi.org/10.1007/s10948-018-4581-3