The present paper focuses on methods of further improving the flux pinning and critical
current density of disk-shaped MgB 2 bulk superconductors by adding excess Mg metal in …

The object of this investigation is to improve the flux pinning and critical current density (J c)
of bulk MgB 2 materials for daily applications including superconducting permanent …

The present investigation focuses on methods to further improve the J c values of disk-
shaped bulk MgB 2 superconductors by optimizing the sintering conditions. We prepared …

In this study, we report on a further improvement of the critical current density of the sintered
bulk MgB 2 material utilizing the optimized sintering temperature combined with a varying …

To find a cheap and efficient way to produce high-performance bulk MgB 2 superconductors,
a series of samples produced with different contents of carbon-coated, nanometer-sized …

MgB 2 bulks doped with Ti or/and C were prepared by an in situ solid state reaction method
to determine the combined effect of C and Ti doping and to probe the detailed mechanism …

The present study focuses on the effects of Ag addition on the critical current density (Jc) and
the mechanical performance of disk‐shaped MgB2 bulk superconductors. MgB2 samples …

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 …

The relationships between microstructures, crystallinity and critical current properties for B 4
C doped MgB 2 bulks, MgB 2− 5x (B 4 C) x with x= 0, 0.04, 0.1, 0.2 and 0.4, were …

Abstract High performance Cu doped MgB 2 bulks were prepared by an in-situ method with
carbon-coated amorphous boron as precursor. It was found that the usage of carbon-coated …