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Influence of the dynamic vortex-pinning center interaction on the critical current in the layered HT[c] superconductors

Sosnowski J.

Journal of Technical Physics

2004

Vol. 45, no 1

21-29

Interaction of the magnetic vortices in the layered structure of the high-temperature oxide superconductors with the pinning centers created by the heavy ions irradiation is investigated. The influence of this dynamic interaction on the current-voltage characteristics and critical current of the Bi:2212 high temperature superconductor is considered. The results of research allowed to determine the current-voltage characteristics dependence on the heavy ions irradiation dose, as a function of temperature and magnetic field and to predict the anisotropy of the critical current in this material, depending on the magnetic field direction.