Q1HTSC Superconducting Bi-Pb-Sr-Ca-Cu-O and MgB2 Compositions Fabricated by Hot Shock Wave Consolidation and Solar Melt Quenching Technologies
DOI:
https://doi.org/10.52340/jds.2023.04.04.01Keywords:
Critical Temperature of Superconducting Transition, High-temperature Superconducting Phases, Solar Technology, Vibrating Reed Torsional MagnetometryAbstract
The possibility of increasing of the critical temperatures Tс of superconducting precursors in samples of Bi-Pb-Sr-Ca-Cu-O and MgB2 supercoducting systems, fabricated using hot shock wave consolidation technology (HSWC) and solar energy for melting, and following superfast quenching of the melt, was investigated using vibrating torsional magnetometry methods. By using HSWC technology for the synthesis of Bi-Pb-Sr-Ca-Cu-O samples, the critical temperature Tс of potential superconducting precursor transition to a superconducting state was increased from Tс =107 K in the starting sample, to Tс =138 K.
In the Bi-Pb-Sr-Ca-Cu-O superconducting system samples, synthesized using solar energy for the melting and following superfast quenching of the melt, superconducting precursors with Тc more than 200 К were detected.
The analysis of the nature of the obtained dependences, and their comparison with other available results associated with the processes in the vicinity of critical temperature Тс, allows one to conclude that there is a possibility for the existence of high-temperature superconducting precursors with Тc more than 200 К in samples of this system.
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Copyright (c) 2024 Akaki Peikrishvili, Bagrat Godibadze, Vakhtang Peikrishvili, Grigor Mamniashvili, Giorgi Donadze, Valeri Tavkhelidze, Dilbara Gulamova
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