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Published Article / AZ I07/89/P-394 ENY-ARTICLE-2008-044

Phase relations in Bi2O3-SrO-CuO system at 800 degrees C

Horyn, R (Institute for Low Temperatures and Structure Research, Polish Academy of Sciences, Wroclaw, Poland) ; Filatow, I (Institute for Low Temperatures and Structure Research, Polish Academy of Sciences, Wroclaw, Poland) ; Ziaja, J (Wroclaw University of Technology, Poland) ; Wolcyrz, M (Institute for Low Temperatures and Structure Research, Polish Academy of Sciences, Wroclaw, Poland) ; Horyn, R (Institute for Low Temperatures and Structure Research, Polish Academy of Sciences, Wroclaw, Poland)

1989-11-07

Abstract: Phase relations in the Bi2O3SrO-CuO system at 800°C are presented. Several binary and ternary phases existing within this system have been identified and characterised by x-ray powder diffraction and density and overall oxygen content determination. Among them, particular 'A' and 'B' phases (both of variable composition) represent potential interest from the point of view of superconductivity. Evidence of the actual stoichiometry of the 2201-type superconductor (T, = 9-20 K) and of the most probable distribution of structural component atoms within its elementary unit subcell is given. A new interpretation of the general formula for the Bi-based superconducting cuprates has been proposed.

Keyword(s): phase relations ; superconductivity ; Bi-based superconducting cuprates
Note: Supercond. Sc. Technol. 1990 No. 3 pp. 347-355


Fulltext : http://zet10.ipee.pwr.wroc.pl/record/53/files/

Cited by: try citation search for ENY-ARTICLE-2008-044; AZ I07/89/P-394

Record created 2008-03-12, last modified 2008-03-12

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