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The doping of MgB2 superconductor has been approached with the addition of carbon atoms into the boron sites and metallic elements (i.e. Zn,Cu,Co) into the MgB2 lattice. Here we use the Mg-Reactive Liquid Infiltration process in an attempt to promote the dopant insertion, either by using Mg based alloys and mixing the dopants (i.e. nano-size SiC in the case of C doping) with the boron powders. The...
Nanostructuring is one of the effective approaches to lower the thermal conductivity of materials. Nanostructured skutterudite-related compounds CoSb3, Fe0.5Ni0.5Sb3, Fe0.25Ni0.25Co0.5Sb3 and Te-doped CoSb3 were synthesized by a solvothermal route. The bulk materials were prepared by hot pressing or spark plasma sintering from the solvothermally synthesized nanopowders. The thermal conductivity values...
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