Current-voltage characteristics of long Bi2Sr2Ca2O10/Ag multifilamentary tapes at different bending strains


Al-Mosawi, M.K., Crisan, A., Beduz, C., Phillips, D. and Haldar, P. (1997) Current-voltage characteristics of long Bi2Sr2Ca2O10/Ag multifilamentary tapes at different bending strains. Physica C: Superconductivity, 289, (1-2), 63-69. (doi:10.1016/S0921-4534(97)01587-6).

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Description/Abstract

The current-voltage (I-V) characteristics of long Bi2Sr2Ca2Cu3O10/Ag (Bi:2223) multifilamentary tapes with different bending strains were measured in a large range of dissipation (10−12−10−3 V/cm). The experimental data were successfully interpreted in terms of current-induced unbinding of the thermally-created vortex-antivortex pairs by taking into account the size limitation of vortex fluctuations. It was found that the shape of the I-V curves can be explained by the contributions to the dissipation of superconducting intergrain contacts having different qualities (i.e. different critical currents) and by the appearance of micro-cracks during the bending process.

Item Type: Article
ISSNs: 0921-4534 (print)
Related URLs:
Keywords: multifilamentary tapes, I-V curves, bending strain, vortex fluctuations
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > School of Engineering Sciences
ePrint ID: 21273
Date Deposited: 17 Nov 2006
Last Modified: 27 Mar 2014 18:10
Contact Email Address: a.i.crisan@soton.ac.uk
URI: http://eprints.soton.ac.uk/id/eprint/21273

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