Abstract:Regularities in the behavior of the magnetoresistance hysteresis R(H) in the granular yttrium hightemperature superconductors (HTSs) have been established. For this purpose, a comparative analysis of the magnetotransport properties has been carried out on the granular HTS samples, which exhibit (i) approximately the same magnetic properties and temperatures of the onset of the superconducting transition (90.5-93.5 K, which is characteristic of HTS grains) and (ii) different critical transport currents J C (whi… Show more
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