The dependence of the crystal structure of YBa2Cu3O7−x on the starting barium compounds

A comparative study of the processing of powders to obtain the high-Tc YBa2Cu3O7-x superconductor has been made. The effects of the starting Ba compound and the preparation procedure on compositional homogeneity have been investigated. Results show that the co-precipitation method using barium nitra...

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Veröffentlicht in:	Superconductor science & technology 2002-06, Vol.15 (6), p.902-906
Hauptverfasser:	Agostino, Angelo, Benzi, Paola, Rizzi, Nicoletta, Volpe, Paolo
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Cuprates superconductors (high tc and insulating parent compounds) Exact sciences and technology High-Tc compounds Inorganic compounds Physics Structure of solids and liquids crystallography Structure of specific crystalline solids Superconductivity Water, oxides, hydroxides, peroxides Y-based cuprates
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Zusammenfassung:	A comparative study of the processing of powders to obtain the high-Tc YBa2Cu3O7-x superconductor has been made. The effects of the starting Ba compound and the preparation procedure on compositional homogeneity have been investigated. Results show that the co-precipitation method using barium nitrate is a simple and convenient sintering method. 15 refs.
ISSN:	0953-2048 1361-6668
DOI:	10.1088/0953-2048/15/6/311