Fagnard, JF and Vanderbemden, P and Crate, D and Misson, V and Ausloos, M and Cloots, R (2002) Intragranular and intergranular behaviour of multifilamentary Bi-2223/Ag tapes. Physica C: Superconductivity and its Applications, 372-37. pp. 970-973. ISSN 0921-4534Full text not available from this repository.
This communication aims at reporting the superconducting properties of Bi-2223/Ag tapes determined by using various measuring techniques. First, the original samples have been characterized by electrical resistance, AC susceptibility, and DC magnetization. The transport (intergranular) critical current vs. magnetic field was also determined at T = 77 K using pulsed currents up to 40 A. Next, the same combination of experiments was performed on bent tapes in order to bring out relevant information concerning the strength of the intergranular coupling. The results show that intergranular and intragranular currents differ by at least one order of magnitude. Finally, additional magnetic measurements were carried out in order to determine the anisotropy ratio Jc ab/Jc c, which was found to lie around 30. © 2002 Elsevier Science B.V. All rights reserved.
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