Superconductivity and crystal structure of high T(c) Bi-Ca-Sr-Cu-O compounds

The superconducting properties, phase chemical composition and crystal structure of Bi-Ca-Sr-Cu-O system sintered samples were investigated. Twostep resistive superconducting transitions with a 120 K < e1 > T < /e1 > (c) onset were observed. The dominant phase composition might be formul...

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Published in:IEEE transactions on magnetics 1989-03, Vol.25 (2), p.2282-2284
Main Authors: Pan, V M, Dovgopol, V P, Popov, A G, Spivakovskij, V B, Flis, V S, Zhalko-Titarenko, A V, Bar' jakhtar, V G, Pashitskij, A E, Melnikov, V S, Pshencova, N P, Demenko, D P, Rjabchenko, S M
Format: Article
Language:English
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Summary:The superconducting properties, phase chemical composition and crystal structure of Bi-Ca-Sr-Cu-O system sintered samples were investigated. Twostep resistive superconducting transitions with a 120 K < e1 > T < /e1 > (c) onset were observed. The dominant phase composition might be formulated as Bi(2)CaSr(2)Cu(2 x)O(y) where < e1 > x < /e1 > =0.4-1.0, depending upon the heat-treatment procedure
ISSN:0018-9464
DOI:10.1109/20.92764