Moderate critical current density (Jc) has been a long‐lasting problem in bulk MgB2
superconductors. We show a certain increment in Jc of bulk MgB2 via the use of amorphous …

We present the superconducting properties and phase compositions of Mg 1− x Zr x B 2 bulk
samples fabricated by a solid-state reaction at ambient pressure. It is found that a small …

Ti-doped MgB 2 superconductors with different doping levels were prepared by solid-state
reaction at ambient pressure. The density, diamagnetic signal, and J c of the 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 …

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 …

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 …

In the present investigation, we report a systematic study of Ag admixing in Mg B 2 prepared
by solid-state reaction at ambient pressure. All the samples in the present investigation have …

MgB 2 bulks were synthesized by the solid-state reaction of Mg and B at 600 C and their
superconducting properties were compared with samples heated at 850 C. The samples …

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 …