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Synthesis of Cuprate Ceramic Superconductors by Oxidation of Rapidly Quenched Alloy Precursors

Published online by Cambridge University Press:  28 February 2011

J.S. Luo ,
D. Michel  and
J.‐P. Chevalier
J.S. Luo
Affiliation:
Centre d'Etudes de Chimie Métallurgique C.N.R.S., 15, rue G. Urbain, 94407 Vitry Cédex (France)
D. Michel
Affiliation:
Centre d'Etudes de Chimie Métallurgique C.N.R.S., 15, rue G. Urbain, 94407 Vitry Cédex (France)
J.‐P. Chevalier
Affiliation:
Centre d'Etudes de Chimie Métallurgique C.N.R.S., 15, rue G. Urbain, 94407 Vitry Cédex (France)
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Abstract

We have produced various high Tc superconductors by oxidation of rapidly quenched alloy precursors produced by planar flow casting. This method generally leads to reactive oxidized powders and improves homogeneity if there is a solubility domain in the liquid state for the alloy. The grain size distribution is often more uniform than that for specimens prepared by conventional methods from mixtures of constituent oxides and carbonates.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 169: Symposium M – High Temperature Superconductors: Fundamental Properties and Novel Materials Processing , 1989 , 287
Copyright
Copyright © Materials Research Society 1990

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References

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