Issue 4, 1994
From the journal:

Journal of Materials Chemistry

Novel synthetic pathway to Bi(Pb)-2223 phase with variable Ca : Sr ratio, Bi1.7Pb0.3Sr4–xCaxCu3Oy: 1.85⩽x⩽2.4

P. V. P. S. S. Sastry  and  Anthony R. West  

Abstract

A modified solid-state reaction method for the preparation of the Bi(Pb)-2223 phase which involves the reaction between two precursors (Bi,Pb)2CuO4 and (Sr,Ca)2CuO3 is reported. Reaction times to yield single-phase samples are typically 5–8 days. Using this method single-phase 2223 materials with variable Ca : Sr ratio can be prepared; their stoichiometry is Bi, 1.7Pb0.3Sr4–xCax, Cu3Oy with 1.85⩽x⩽2.4. The Tc values of these materials are independent of Ca : Sr ratio and weakly dependent on heat-treatment conditions.

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Article information

DOI
https://doi.org/10.1039/JM9940400647
Article type
Paper

J. Mater. Chem., 1994,4, 647-649

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Novel synthetic pathway to Bi(Pb)-2223 phase with variable Ca : Sr ratio, Bi1.7Pb0.3Sr4–xCaxCu3Oy: 1.85⩽x⩽2.4

P. V. P. S. S. Sastry and A. R. West, J. Mater. Chem., 1994, 4, 647 DOI: 10.1039/JM9940400647

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