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Preparation of a New Superconductor Sr<sub>2</sub>Y<sub>0.7</sub>Ca<sub>0.3</sub>Cu<sub>2.35</sub>Pb<sub>0.65</sub>O<sub>y</sub>
73
Citations
4
References
1990
Year
Materials ScienceSuperconducting MaterialSingle PhaseEngineeringTetragonal CellNovel SuperconductorsBismuth-based SuperconductorsHigh-temperature SuperconductivityHigh-tc SuperconductivityCryogenicsApplied PhysicsQuantum MaterialsCondensed Matter PhysicsSuperconductivityT CSuperconducting DevicesQuantum SuperconductivityLow-temperature Superconductivity
The superconducting oxide in the Sr-Ca-Y-Pb-Cu-O system was identified and prepared as a single phase. The compound examined has a tetragonal cell with a =3.815 Å and c =11.85 Å. The T c was 17 K for the sample quenched from 860°C to 77 K, and below 4.2 K for the sample annealed in air at 400°C.
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