Improvement of flux pinning ability by tungsten oxide nanoparticles added in YBa2Cu3Oy superconductor

Y Slimani, MA Almessiere, E Hannachi, M Mumtaz… - Ceramics …, 2019 - Elsevier
In this study, series of superconductor-tungsten oxide (WO 3) nanoparticles composites, YBa
2 Cu 3 O 7-δ/(WO 3) x, were produced via the solid-state reaction process. The structural …

Influence of ion irradiation on critical characteristics of second-generation HTSC tapes

I Rudnev, D Abin, S Pokrovskii… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
One of the practical applications of the second-generation HTSC tapes (or CC–coated
conductors) is in accelerator magnets. During operation, the superconducting winding will …

Significant enhancement of superconducting performances of Bi-2212 fibers through combined sodium substitution and LFZ process

M Gürsul, I Ergin, C Özçelik, T Depci, B Özçelik… - Journal of Materials …, 2021 - Springer
This paper reports the microstructure, magnetoresistivity, electrical and superconducting
properties of Bi-2212 fibers with Na+ ions incorporated into a superconducting matrix …

Magnetoresistivity studies for BiPb-2223 phase added by BaSnO3 nanoparticles

M Me. Barakat, K Habanjar - Journal of Advanced Ceramics, 2017 - Springer
Co-precipitation method and conventional solid-state reaction technique were used to
synthesize BaSnO 3 nanoparticles and (BaSnO 3) x/Bi 1.6 Pb 0.4 Sr 2 Ca 2 Cu 3 O 10+ δ …

Comparative study of ferromagnetic and anti-ferromagnetic nanoparticles as artificial flux pinning centers in CuTl-1223 superconductor

M Mumtaz, M Waqee-ur-Rehman, MW Rabbani - Ceramics International, 2017 - Elsevier
The role of magnetically different nanoparticles (ie Cr, Ni and Co) as artificial flux pinning
agents added in (Cu 0.5 Tl 0.5) Ba 2 Ca 2 Cu 3 O 10− δ (CuTl-1223) superconducting matrix …

Features of Vortex Dynamics in a HTS with Disordered Pinning Lattice

A Moroz, I Rudnev, A Stepanenko… - … of Superconductivity and …, 2024 - Springer
Current-voltage characteristics have been calculated for a high-temperature superconductor
containing triangular and square periodic arrays of pinning centers with various disorder …

Impact of silver addition on the superconducting performances of Bi2Sr2Ca0. 925Na0. 075Cu2Oy: Ag composite fibers

B Atilla, I Ergin, M Gürsul, B Özçelik, MA Madre… - Journal of the European …, 2022 - Elsevier
This work studies the impact of metallic Ag addition on the microstructural, electrical,
superconducting, and magnetic properties of Bi 2 Sr 2 Ca 0.925 Na 0.075 Cu 2 O y …

Vortex guidance and transport in channeled pinning arrays

C Reichhardt, CJO Reichhardt - Low Temperature Physics, 2020 - pubs.aip.org
We numerically examine vortices interacting with pinning arrays where a portion of the
pinning sites have been removed in order to create coexisting regions of strong and weak …

Effect of Na-substitution on magnetoresistance and flux pinning energy of Bi-2212 ceramics prepared via hot-forging process

B Özçelik, M Gürsul, FK Nane, MA Madre… - Journal of Materials …, 2018 - Springer
In this study, polymerization method with polyethyleneimine, followed by hot-forging process
was used to synthesize bulk textured Bi 2 Sr 2 Ca 1− x Na x Cu 2 O y (x= 0.0, 0.05, 0.075 …

Flux Pinning by Cr Nanoparticles in CuTlBaCaCuO Superconductor

M Waqee-ur-Rehman, M Mumtaz, I Qasim… - Journal of Low …, 2016 - Springer
Increase in flux pinning strength of Cu _ 0.5 0.5 Tl _ 0.5 0.5 Ba _ 2 2 Ca _ 2 2 Cu _ 3 3 O _
10-δ 10-δ (CuTl-1223) superconductor has been observed after addition of Cr …