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Influence of Strand Design, Boron Type, and Carbon Doping Method on the Transport Properties of Powder-in-Tube $\hbox{MgB}_{2-{\rm X}}\hbox{C}_{\rm X}$ Strands

Influence of Strand Design, Boron Type, and Carbon Doping Method on the Transport Properties of Powder-in-Tube $\hbox{MgB}_{2-{\rm X}}\hbox{C}_{\rm X}$ Strands

The transport properties of a number of MgB2 strands have been investigated in terms of their response to strand design, starting B powder choice, and the approach to C doping used. The strands had various designs, specifically; (i) several chemical barriers were introduced, viz: Fe and Nb, (ii) the strands …