Transport and magnetic properties of Bi(Pb)2212 superconducting ceramics doped by low rate of potassium-Reference-Cited by-同舟云学术

Transport and magnetic properties of Bi(Pb)2212 superconducting ceramics doped by low rate of potassium

Published:2021-03-01 Issue:1 Volume:39 Page:15-23
ISSN:2083-134X
Container-title:Materials Science-Poland
language:en
Short-container-title:

Author:

Belala K.¹,Galluzzi A.²³,Mosbah M.F.¹⁴,Polichetti M.²³

Affiliation:

1. Material Sciences and Applications Research Unit, Physics Department , Constantine 1 University , B.P. 325 Route d’Ain El Bey , Constantine , , Algeria

2. Department of Physics ‘E.R. Caianiello’ University of Salerno , Via Giovanni Paolo II, 132 , Fisciano (Salerno) , , Italy

3. CNR-SPIN Salerno , Via Giovanni Paolo II, 123 , Fisciano (Salerno) , , Italy

4. National Polytecnic School of Constantine , Nouvelle Ville Universitaire Ali Mendjeli-BP 75°RP Ali Mendjeli - Constantine , , Algeria

Abstract

Abstract Samples of Bi1.5Pb0.5(Sr1.8−xKx)CaCu2O8+d and Bi1.5Pb0.5Sr1.8CaCu2O8+dKx have been prepared from powders of carbonates and primary oxides using the solid state reaction method and compared in this study. In the first case, potassium (K) is substituted in the strontium (Sr) site. In the second one, K is added. A part of the paper is devoted to discuss the results obtained by X-ray diffraction (XRD) analysis and scanning electron microscope (SEM) observations of (Bi,Pb)2Sr1.8CaCu2O8+d samples doped by potassium to provide additional microstructural information related to the doping method. These analyses are supplemented by resistivity and magnetic measurements. Results show how the rate of doping by potassium affects transport and magnetic properties of Bi(Pb)2212 phase. The critical current density (Jc) is improved using the two methods and it reaches a double value by the addition of K as compared to the undoped sample.

Publisher

Walter de Gruyter GmbH

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

https://www.sciendo.com/pdf/10.2478/msp-2021-0005

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