Superconductors with persistent zero-resistance currents serve as permanent magnets for
high-field applications requiring a strong and stable magnetic field, such as magnetic …

Increasing dissipation-free supercurrent has been the primary issue for practical application
of superconducting wires. For magnesium diboride, MgB 2, carbon is known to be the most …

A trapped field of over 3 T has been measured at 17.5 K in a magnetized stack of two disc-
shaped bulk MgB 2 superconductors of diameter 25 mm and thickness 5.4 mm. The bulk …

Nanocrystalline MgB 2 bulk superconductors have been fabricated by ultra-high pressure-
assisted sintering (∼ 5 GPa) over a range of temperatures (700° C-1100° C). Phase …

The field dependence of the volume pinning force in anisotropic polycrystalline
superconductors is calculated for various well established pinning models. The anisotropy …

Carbon‐encapsulated crystalline boron nanopowder and coarse magnesium powder are
used as inexpensive tailored starting materials for the fabrication of high‐performance MgB …

This research investigates the effects of high-energy ball milling parameters on the
performance of bulk MgB 2, with a focus on enhancing its critical current density (J c) for …

The microstructure of polycrystalline MgB 2 has a strong influence on the current carrying
ability, with grain boundaries and non-superconducting nanoparticles acting as good flux …

Superconductors is neither about basic aspects of superconductivity nor about its
applications, but its mainstay is superconducting materials. Unusual and unconventional …

We prepared bulk MgB2 from high‐purity commercial powders of Mg metal (99.9% purity)
and amorphous B (99% purity) powders using a single‐step solid state reaction at 775° C for …