Preparation and properties of YBa2Cu3Oy-Ag composites via 8-hydroxyquinoline coprecipitation

YBa2Cu3Oy-Ag composites were prepared by coprecipitation: metal nitrate salts were treated with 8-hydroxyquinoline; The precipitates were decomposed by calcination at 800 C, and pressed pellets were then sintered at 930 C. A superconducting transition temperature of 91 K was achieved. The properties...

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Veröffentlicht in:	Materials letters 1994-05, Vol.19 (5-6), p.301-307
Hauptverfasser:	LIU, T. W, CHEN, D. H, CHENG, C. H, CHANG, C. T, SHEEN, S. R, HUANG, J. C, WU, M. K
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Cuprates superconductors (high tc and insulating parent compounds) Exact sciences and technology General properties correlations between physical properties in normal and superconducting states High-Tc compounds Physics Properties of type I and type II superconductors Superconductivity
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Zusammenfassung:	YBa2Cu3Oy-Ag composites were prepared by coprecipitation: metal nitrate salts were treated with 8-hydroxyquinoline; The precipitates were decomposed by calcination at 800 C, and pressed pellets were then sintered at 930 C. A superconducting transition temperature of 91 K was achieved. The properties of the composites were determined by XRD, SEM and magnetic measurements. 28 refs.
ISSN:	0167-577X 1873-4979
DOI:	10.1016/0167-577X(94)90175-9