Characteristics of critical current distributions for oxide superconductors estimated from V-I characteristics using Weibull function

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, , Citation F Irie et al 1992 Supercond. Sci. Technol. 5 S379 DOI 10.1088/0953-2048/5/1S/087

0953-2048/5/1S/S379

Abstract

The integrated Weibull function is shown to be well fitted to experimental V-I curves of oxide samples in the range of 4 approximately 5 decades of voltage. By this function the distribution of local critical current is obtained. Morphological characteristics of samples are estimated from the logJk-logJc plots for many B and T where Jk and Jc are two of the four Weibull parameters. Characteristics of the other two are also shown.

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10.1088/0953-2048/5/1S/087