Ca-Substitution Effects in Bi2+xSr2-xCu1+x/4Oz Solid Solution

Yasushi Sano; Yasunori Ikeda; Than Min Kyaw; Zenji Hiroi; Mikio Takano; Yoshichika Bando

doi:10.2497/jjspm.39.362

Journal of the Japan Society of Powder and Powder Metallurgy

Online ISSN : 1880-9014
Print ISSN : 0532-8799
ISSN-L : 0532-8799

Ca-Substitution Effects in Bi_2+xSr_2-xCu_1+x/4O_z Solid Solution

Yasushi Sano, Yasunori Ikeda, Than Min Kyaw, Zenji Hiroi, Mikio Takano, Yoshichika Bando

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JOURNAL OPEN ACCESS

1992 Volume 39 Issue 5 Pages 362-365

DOI https://doi.org/10.2497/jjspm.39.362

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Abstract

We studied the effects of adding Ca to the Bi_2+xSr_2-xCu_1+x/4O_z solid solution. It turned out that the Ca ions substitute for Sr. Monopasic compositions of Bi_2+xSr_2-x-yCa_yCu_1+x/4 with 0.1<x<0.6 and 0<y<0.6 were obtaind. In the Ca-containing solid solution. The specimen of Bi_2.1Sr_1.8⋅Ca_0.1Cu_1.025O_z showed superconductivity at 7.8K. But the others were semiconductive.

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