Effects of Pb assisted cation chemistry on the superconductivity of BSCCO thin films

Gayathri, V.; Bera, Santanu; Amaladass, E. P.; Kumary, T. Geetha; Pandian, Ramanathaswamy; Mani, Awadhesh

doi:10.1039/d1cp01262b

Phys. Chem. Chem. Phys.

2021

DOI: 10.1039/d1cp01262b

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Effects of Pb assisted cation chemistry on the superconductivity of BSCCO thin films

V. Gayathri

Santanu Bera

E. P. Amaladass

et al.

Abstract: Thin films of Bi-based superconductor with c-axis orientation were deposited on single crystalline substrates of SrTiO3, LaAlO3, and MgO by pulsed laser deposition technique using Bi-2223 target of nominal composition...

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Cited by 21 publications

References 40 publications

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Excess conductivity and magnetoresistance analysis for (BSF)x/(Bi, Pb)-2223 composite

Matar,

Mohamed,

Abou-Aly

et al. 2024

Appl. Phys. A

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This study examined the impact of adding hard ferrite Ba0.5Sr0.5Fe12O19 (BSF) nanoparticles to the Bi1.8Pb0.4Sr2Ca2Cu3.2O10+δ (Bi, Pb)-2223) superconductor phase. The investigation specifically focused on evaluating the critical current density, fluctuation-induced conductivity, and magnetoresistance of nano-(BSF)x/(Bi, Pb)-2223 composite, where 0.00 ≤ x ≤ 0.20 wt.%. The results revealed that the critical current density, Jc, increased with the addition of nano-(BSF) up to x = 0.04 wt.%, reaching a value of 441.20 A/cm2. The Aslamazov and Larkin (A–L) approach has been evaluated the fluctuation-induced conductivity. Several superconducting parameters, including coherence length ζc(0), effective layer thickness d, penetration depth λpd(0), and Fermi energy $${E}_{F}$$ E F showed improvement as the concentration of nano-(BSF) increased up to x = 0.04 wt.%. In addition to Ginzburg–Landau critical parameters, such as the thermodynamic critical field Bc(0), lower critical magnetic field Bc1(0), upper critical magnetic field Bc2(0), and critical current density Jc(0) demonstrated an increase up to x = 0.04 wt.%, followed by a decrease for higher concentrations. The magnetoresistance measurements were performed at various applied DC magnetic fields, with values ranging from 0.29 to 4.44 kG, and were analyzed using the thermally activated flux creep (TAFC) and Ambegaokar–Halperin (AH) models. The calculated flux pinning energy (U) increased with the addition of nano-(BSF) up to x = 0.04 wt.% and then decreased for x > 0.04 wt.%. Furthermore, the transition width (ΔT), was observed to increase as the applied magnetic field values increased. Moreover, the addition of nano-(BSF) increased the field-independent critical current density, Jc,0(0), up to x = 0.04 wt.%, after which it decreased for higher concentrations.

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Excess conductivity and magnetoresistance analysis for (BSF)x/(Bi, Pb)-2223 composite

Matar,

Mohamed,

Abou-Aly

et al. 2024

Appl. Phys. A

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Tailoring the Physical Properties of (Bi, Pb)-2212 Superconductor by the Addition of Cd0.95Mn0.05O Nanoparticles

et al. 2022

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Comparative Study of Structural, Electrical, and Mechanical Properties of (Tl, Hg)-1223 High Temperature Superconducting Phase Substituted by Lead Oxide and Lead Dioxide

et al. 2023

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Effects of Pb assisted cation chemistry on the superconductivity of BSCCO thin films

Abstract: Thin films of Bi-based superconductor with c-axis orientation were deposited on single crystalline substrates of SrTiO3, LaAlO3, and MgO by pulsed laser deposition technique using Bi-2223 target of nominal composition...

Cited by 21 publications

References 40 publications

Excess conductivity and magnetoresistance analysis for (BSF)x/(Bi, Pb)-2223 composite

Excess conductivity and magnetoresistance analysis for (BSF)x/(Bi, Pb)-2223 composite

Tailoring the Physical Properties of (Bi, Pb)-2212 Superconductor by the Addition of Cd0.95Mn0.05O Nanoparticles

Comparative Study of Structural, Electrical, and Mechanical Properties of (Tl, Hg)-1223 High Temperature Superconducting Phase Substituted by Lead Oxide and Lead Dioxide

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