Effects of Sb-Incorporation on the 2223 Phase in the Superconducting Bi-Pb-Sr-Ca-Cu-O System 


Vol. 15,  No. 2, pp. 115-118, Feb.  1994


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  Abstract

Samples of (Bi2-x,Sbx)PbSr2Ca2Cu3Oy, compositions with x=0.0, 0.1, and 0.2 were prepared by solid-state reaction. The solubility of Sb into the 2223 phase is lower than 0.05 for the ratio of Sb/Bi. The lack of stability of the Sb-substituted Bi2O2 double layers is likely to cause the solubility low. There is no great dependence of lattice parameters on the Sb-content, and bonds around the square-pyramidal Cu atom are not affected by the Sb3+ ion substituted. The superconducting transition temperature of this system is decreased gradually with increase of Sb, which is tentatively attributable to the perturbation of the Bi 6p-O 2p band and/or to the low volume fraction of the 2223 phase.

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  Cite this article

[IEEE Style]

S. H. Kim, D. H. Lee, J. S. Park, S. K. Cho, S. H. Lee, K. H. Kim, "Effects of Sb-Incorporation on the 2223 Phase in the Superconducting Bi-Pb-Sr-Ca-Cu-O System," Bulletin of the Korean Chemical Society, vol. 15, no. 2, pp. 115-118, 1994. DOI: .

[ACM Style]

Seong Han Kim, Dong Hoon Lee, Jong Sik Park, Seung Koo Cho, Sung Han Lee, and Keu Hong Kim. 1994. Effects of Sb-Incorporation on the 2223 Phase in the Superconducting Bi-Pb-Sr-Ca-Cu-O System. Bulletin of the Korean Chemical Society, 15, 2, (1994), 115-118. DOI: .