Significantly enhanced critical current densities in MgB2 tapes made by a scaleable, nano-carbon addition route

Yanwei Ma, Xianping Zhang, G. Nishijima +2

Nanocarbon-doped Fe-sheathed MgB2 tapes with different doping levels were prepared by the in situ powder-in-tube method. Compared to the undoped tapes, Jc for all the C-doped sampl…