Effect of Nano ZnO Doping on the Nature of Pinning of MgB2 Superconductors

The paper reports the J C ( H , T ) of nano-ZnO doped MgB 2 samples calculated from M – H loop measurements. Volume pinning forces at different temperatures have been evaluated as a function of the field from the J C – H data. Two different scaling laws, one by Fietz and Webb and another one by M. E...

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