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 …

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 …

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 …

We fabricated nano-carbon (NC) doped MgB2 bulks using an in situ process in order to
improve the critical current density (Jc) under a high magnetic field and evaluated the …

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 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 …

In this work, we report an optimum amount of Mg precursor required for obtaining high
critical current density (J c) of bulk MgB 2 superconductor synthesized via solid state …

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 …

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 …

We selected amorphous, nano-size carbon black (10–30nm) as a dopant for MgB2
superconductor to improve critical current density (Jc) at high magnetic field. We fabricated …