Determination of critical current density in melt-processed HTS bulks from levitation force measurements
A. A. Kordyuk, V. V. Nemoshkalenko, R. V. Viznichenko, T. Habisreuther, W. Gawalek
Abstract
A simple approach to describe the levitation force measurements on melt-processed HTS bulks was developed. A couple of methods to determine the critical current density Jc were introduced. The averaged ab-plane Jc values for the field parallel to this plane were determined. The first and second levitation force hysteresis loops calculated with these Jc values coincide remarkably well with the experimental data.
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