Preparation of unleaded BSCCO superconductor with critical temperatures of 110 K

The results of the unleaded synthesis, and superconducting properties, and phase composition investigation of high-T/sub c/ superconductors obtained in the BiSrCaCuO (BSCCO system), when partially substituting copper oxide for copper are presented. Synthesized under special conditions, samples of Bi...

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Veröffentlicht in:	IEEE transactions on applied superconductivity 1999-06, Vol.9 (2), p.2109-2112
Hauptverfasser:	Pryrkova, N.A., Tomilo, Z.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Bismuth compounds Copper Doping High temperature superconductors Lead Oxidation Superconducting devices Superconducting epitaxial layers Superconducting materials Superconducting transition temperature
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Beschreibung
Zusammenfassung:	The results of the unleaded synthesis, and superconducting properties, and phase composition investigation of high-T/sub c/ superconductors obtained in the BiSrCaCuO (BSCCO system), when partially substituting copper oxide for copper are presented. Synthesized under special conditions, samples of BiSrCa((1-x)CuO+xCu))/sub 2/Oy with x=(0.2-0.3) revealed T/sub c/(R=0)=(102-107)K and consisted of the single superconducting phase Bi/sub 2/Sr/sub 2/CaCu/sub 2/O/sub y/. The other impurity phases were not superconductors.
ISSN:	1051-8223 1558-2515
DOI:	10.1109/77.784883