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Improvement of the phase formation and superconductivity of the (Bi,Pb)2Sr2Ca2Cu3Ox silver sheathed tapes with B2O3 addition

Jiang, Liudi, Sun, Yuping, Wan, Xinggong, Wang, Kaiyou, Xu, Guoyang, Chen, Xianhui, Ruan, Keqing and Du, Jiaju (1998) Improvement of the phase formation and superconductivity of the (Bi,Pb)2Sr2Ca2Cu3Ox silver sheathed tapes with B2O3 addition Physica C: Superconductivity And its Applications, 300, (1-2), pp. 61-66. (doi:10.1016/S0921-4534(98)00064-1).

Record type: Article


In (Bi,Pb)2Sr2Ca2Cu3Ox silver-sheathed (Bi2223/Ag) tapes, melted liquid phase plays an important role to form the Bi2223 phase. We have added a small amount of B2O3 into Bi2223/Ag tapes to assist in inducing melted phase because B2O3 has a melting point (460°C) much lower than the general sintering temperature of the tapes, and studied the influence of B2O3 doping on the microstructure and critical current density (Jc) of Bi2223/Ag tapes. The results show that B2O3 doping is really effective to result in the faster growth and better alignment of the Bi2223 grains in the superconducting core and improve the magnetic field dependence of the Jc value.

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Published date: 1998
Keywords: Bi2223/Ag tape, critical current density, B2O3 addition


Local EPrints ID: 23566
ISSN: 0921-4534
PURE UUID: 6d065dfe-183e-483a-8245-526ed64644d0

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Date deposited: 01 Feb 2007
Last modified: 17 Jul 2017 16:17

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Author: Liudi Jiang
Author: Yuping Sun
Author: Xinggong Wan
Author: Kaiyou Wang
Author: Guoyang Xu
Author: Xianhui Chen
Author: Keqing Ruan
Author: Jiaju Du

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