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Preparation of YBa2Cu3O7-δ Superconductor by Sol-Gel Method and Fiber Drawing

Published online by Cambridge University Press:  25 February 2011

H. Kozuka ,
T. Umeda ,
J. S. Jin  and
S. Sakka
H. Kozuka
Affiliation:
Institute for Chemical Research, Kyoto University, Uji, Kyoto-Fu 611, Japan
T. Umeda
Affiliation:
Institute for Chemical Research, Kyoto University, Uji, Kyoto-Fu 611, Japan
J. S. Jin
Affiliation:
Institute for Chemical Research, Kyoto University, Uji, Kyoto-Fu 611, Japan
S. Sakka
Affiliation:
Institute for Chemical Research, Kyoto University, Uji, Kyoto-Fu 611, Japan
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Abstract

Superconducting YBa2Cu3O7-δ, ceramic pieces and fibers were prepared through a sol-gel route from ametal acetate aqueous solution of controlled pH. Concentrating the starting solution by evaporating the solvent provided a transparent viscous sol, from which gel fibers could be drawn. Further concentrating of the viscous solution led to formation of gel pieces. Conversion of gel fibers and pieces to superconductors were investigated in terms of precipitating crystalline species and electrical conductivities.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 121: Symposium H – Better Ceramics Through Chemistry III , 1988 , 639
Copyright
Copyright © Materials Research Society 1988

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References

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