Preparation and characterization of the superconductor CaLaBaCu2.8(BO3)0.2O6.4 compound

Preparation and characterization of the superconductor CaLaBaCu2.8(BO3)0.2O6.4 compound

We report the study of the CaLaBaCu2.80(BO3)0.2O6.4-compound which is superconductor at the critical temperature of 68 K. This compound was prepared by the solid state reaction method under normal conditions of pressure and temperature, replacing a percentage of copper (x=6.7%) from CaLaBaCu3O7-delt...

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Veröffentlicht in:Physica. C, Superconductivity Superconductivity, 2004-08, Vol.408-410, p.884-885
Hauptverfasser: Angel Bustamante, D., Richard Bellido, Q., Luis De Los Santos, V., González, J.C.
Format: Artikel
Sprache:eng
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Zusammenfassung:We report the study of the CaLaBaCu2.80(BO3)0.2O6.4-compound which is superconductor at the critical temperature of 68 K. This compound was prepared by the solid state reaction method under normal conditions of pressure and temperature, replacing a percentage of copper (x=6.7%) from CaLaBaCu3O7-delta (La1113) by the oxianion borate (BO3)3-. Tc onset was determined by measurements of magnetic susceptibility by using a SQUID detection system. The X-ray Rietveld analysis of this compound can be characterized by orthorhombic symmetry (Pmmm).
ISSN:0921-4534
DOI:10.1016/j.physc.2004.03.231