INDUCTANCE TECHNIQUE FOR MEASURING TRANSITION TEMPERATURES OF SUPERCONDUCTING POWDERS

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Abstract
A simple technique to measure T c of superconducting powder samples is evaluated. Inductance of the sample is used as the indicator to determine the behavior of the material as it goes to the superconducting state. The effect of particle size and sample size on the measured parameters has been investigated. The main advantages of this technique are the absence of electrical contacts and the elimination of the need for sintered bars. The technique has the potential to measure the amount of superconducting phases as well as the critical current density.

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