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