Abstract
It is experimentally shown, that mechanical roughening of the surface of Nb-cylinders leads to a hysteretic behaviour of magnetization in an applied magnetic field. Hysteresis is caused both by trapping of flux vortices near the surface and by induced persistent surface currents.
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Kwasnitza, K., Winkler, W. Influence of mechanical surface treatment on the hysteretic behaviour of type II superconductors in the mixed state. Z. Physik 227, 391–398 (1969). https://doi.org/10.1007/BF01394887
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DOI: https://doi.org/10.1007/BF01394887