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Preparation of single-phase 2-2-2-3 Bi(Pb)-Sr-Ca-Cu-O high-temperature superconductor using spray drying

Authors
Journal
Materials Letters
0167-577X
Publisher
Elsevier
Publication Date
Volume
10
Issue
3
Identifiers
DOI: 10.1016/0167-577x(90)90043-l

Abstract

Abstract Homogeneous precursor powder of the 2-2-2-3 Bi(Pb)-Sr-Ca-Cu-O high- T c phase has been prepared by the spray drying technique. The vaporization of Pb has been minimized by the homogeneous composition which allows rapid reaction of Pb with other constituents. Samples of nominal composition Bi 1.72Pb 0.32Sr 2Ca 2Cu 3O x have been synthesized as a single phase 2-2-2-3 in open containers. ac susceptibility measurements confirm a T c of about 110 K.

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