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 …

Studies of the doping process can provide a better understanding of the superconducting
mechanisms in cuprous oxide materials. In this work, we studied the doping effects on the …

Studies on structural and superconducting properties of Pb free and Pb doped rare earth
(RE) modified Bi2Sr2CaCu2Oy superconductor show that there is a substantial …

The critical current density of Bi 2 Sr 2 CaCu 2 O 8+ δ (Bi-2212) superconductors can be
enhanced either by changing the charge carrier concentration (holes) to the optimum value …

The effect of codoping of Pb and rare earths [rare earths (REs)= La⁠, Gd, and Yb] in Bi-2212
superconductor on structural, transport, and flux pinning properties was investigated in …

The influence of Ag, Mg, and Pr additions and co-additions on microstructure and phase
formation of Bi2Sr2CaCu2O8+ d (Bi2212) system is investigated. Polycrystalline Bi2212 …

The flux pinning properties of a (Bi, Pb)‐2212 superconductor by the addition of a rare‐earth
element Nd with varying concentrations were studied. The Nd content of the samples was …

X-ray powder diffraction, scanning electron microscopy (SEM), energy dispersive X-ray,
electrical resistivity and AC-magnetic susceptibility measurements have been performed for …

The effect of Ag addition on weak link behaviour of a Bi-2223 (Bi 1.7 Pb 0.3 Sr 2 Ca 2 Cu 3 O
10) polycrystalline sample has been investigated in terms of AC susceptibility, critical current …

In this study, samples of Bi _ 1.65 Pb _ 0.35-x Nb _ x Sr _ 2 Ca _ 2 Cu _ 3 O _ 10+ δ Bi 1.65
Pb 0.35-x Nb x Sr 2 Ca 2 Cu 3 O 10+ δ were prepared by solid-state reaction method and …