Abstract
AC susceptibility as a function of ac field amplitude was measured on a cylindrical sample of 110 K phase of Bi–Sr–Ca–Cu–O system at different temperatures. The sample was prepared by the uniaxial press sintering technique. The susceptibility data were analysed in terms of the Bean critical state model and by taking into account the statistical distribution of intergrain critical current density in the sample. The experimental data could be fitted well to the above model. From the analysis, the volume fraction of intergranular superconductor and the distribution of critical current density at different temperatures were determined.
Published Version
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