Influence of High Content of Sodium Doping in Bi(Pb)2212 Superconductors

F. Bouaïcha; Bouaïcha F.; M. F. Mosbah; Mosbah M. F.; L. Ozyuzer; Ozyuzer L.

doi:10.31857/S0015323023600909

Influence of High Content of Sodium Doping in Bi(Pb)2212 Superconductors

Authors: Bouaïcha F.¹, Mosbah M.F.², Ozyuzer L.³
Affiliations:
1. Laboratory of the Active Components and Materials, University of Larbi Ben M’hidi
2. Materials Science and Applications Research Unit. Constantine 1 University
3. Department of Physics, Izmir Institute of Technology
Issue: Vol 124, No 7 (2023)
Pages: 561-565
Section: ЭЛЕКТРИЧЕСКИЕ И МАГНИТНЫЕ СВОЙСТВА
URL: https://ruspoj.com/0015-3230/article/view/662929
DOI: https://doi.org/10.31857/S0015323023600909
EDN: https://elibrary.ru/PGLXHG
ID: 662929

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Abstract

We study here, the effect of high content of sodium doping on structural and electrical properties of Bi(Pb)2212 superconducting. The X-ray analysis results showed that all the prepared samples mainly belong to the superconducting tetragonal phase Bi–(Pb)2212. SEM micrographs show that the grains are closely related and have a characteristic flat shape for the superconductor Bi (Pb) 2212. For the undoped sample, the grains are randomly distributed with an average size of 5 μm. For doped samples, the morphology changes with sodium concentration. Resistivity measurements show that all samples have a superconducting character.

Keywords

superconductivity, SHTC, Bi–Pb–Sr–Ca–Cu–O system, substitution, resistivity, normal state

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