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Preparation of BiSrCaCu<sub>2</sub>O<sub>x</sub> Films with T<sub>c</sub>>77 K by Pyrolysis of Organic Acid Salts
26
Citations
8
References
1988
Year
Superconducting MaterialEngineeringBismuth-based SuperconductorsOrganic ChemistryBisrcacu 2ChemistryInorganic MaterialApplied ChemistrySuperconductivityHigh Tc SuperconductorsT CLow-temperature SuperconductivityMaterials ScienceHigh-tc SuperconductivityOxide ElectronicsO X FilmsMaterial AnalysisHigh-temperature SuperconductivityApplied PhysicsCondensed Matter PhysicsOrganic Acid SaltsThin FilmsSynthetic Chemistry
High- T c superconducting BiSrCaCu 2 O x films with T c (end)>77 K were prepared on yttria-stabilized zirconia substrates by pyrolysis using Bi-, Sr-, Ca- and Cu-2-ethylhexanoates. The observed T c (onset) and T c (end) were 97 K and 79 K, respectively, and thus T c (end) is higher than liquid nitrogen temperature. From X-ray diffraction patterns of these films, the superconducting crystal phase is mostly characterized by the c -axis perpendicular to the substrate.
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