Effects of Nb2O5 addition on superconducting properties of BSCCO

Date

2007-11-01

Author

Ghazanfari, Nader
Kilic, Ahmet
Gencer, Ayşenur
Oezkan, Huesnue

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The effects of Nb2O5 addition on (Bi, Pb)(2)Sr2Ca2Cu3O10 superconducting polycrystalline samples prepared by conventional solid state reaction method in bulk forms have been investigated. Samples were prepared and then characterized by X-ray diffraction, SEM microstructural analysis, DC electrical, and AC susceptibility measurements. X-ray diffraction analysis shows that both (Bi, Pb)-2223 and Bi-2212 phases coexist in the studied samples. I-V characterization and AC susceptibility measurements reveal that Nb addition increases critical current density. The enhancement of the J(c) may be caused by improvement of the grain connectivity with Nb additions.

Subject Keywords

Bi-2223, AC susceptibility, Inter-grain connectivity, Critical current density

URI

https://hdl.handle.net/11511/51527

Journal

SOLID STATE COMMUNICATIONS

DOI

https://doi.org/10.1016/j.ssc.2007.08.030

Collections

Department of Physics, Article