Anisotropic AC Behavior of Multifilamentary Bi-2223/Ag Tapes

Fagnard, J-F and Vanderbemden, P and Cloots, R and Ausloos, M (2003) Anisotropic AC Behavior of Multifilamentary Bi-2223/Ag Tapes. NO. 2, 29. pp. 6-79.

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Abstract

In this communication, we report on the anisotropy of the superconducting properties of multifilamentary Bi-based tapes experimentally investigated by AC magnetic susceptibility measurements. The susceptibility $\chi= \chi' - j \chi''$ was measured using a commercial system and a couple of orthogonal pick-up coils. The $\chi''$ vs. temperature curves were shown to exhibit two peaks. The smaller of the peaks, occurring near T = 72K, was only visible for particular field directions and within a given frequency window. Such results point out the role played by the phase difference between the applied magnetic field and the internal magnetic field seen by the filaments.

Item Type: Article cond-mat.supr-con cond-mat.supr-con cond-mat.mtrl-sci UNSPECIFIED UNSPECIFIED Unnamed user with email sms67@cam.ac.uk 16 Jul 2015 13:04 02 Sep 2015 00:34