Grain boundary characteristics of Fe-based superconductors

K Iida, J Hänisch, A Yamamoto - Superconductor Science and …, 2020 - iopscience.iop.org
Understanding the nature of grain boundary (GB) characteristics in combination with
creating low-energy GBs by modifying the processing conditions, so-called GB engineering …

High transport current superconductivity in powder-in-tube Ba0. 6K0. 4Fe2As2 tapes at 27 T

H Huang, C Yao, C Dong, X Zhang… - Superconductor …, 2017 - iopscience.iop.org
The high upper critical field and low anisotropy of iron-based superconductors (IBS) make
them particularly attractive for high-field applications, especially for the construction of next …

Low-temperature synthesis of MgB2 superconductors

ZQ Ma, YC Liu - International materials reviews, 2011 - Taylor & Francis
MgB2 superconductors have the outstanding potential to be integrated into diverse
commercial applications. However, the critical current density J c in MgB2 is still smaller …

Microscopic role of carbon on MgB2 wire for critical current density comparable to NbTi

JH Kim, S Oh, YU Heo, S Hata, H Kumakura… - NPG Asia …, 2012 - nature.com
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 …

Bulk MgB2 superconductor for levitation applications fabricated with boron processed by different routes

B Savaskan, UK Ozturk, SB Guner, M Abdioglu… - Journal of Alloys and …, 2023 - Elsevier
Bulk MgB 2 discs were prepared by an in situ route from mixtures of magnesium and boron
powders. The boron powders were produced by two methods. The first one consisted of a …

NbReN: A disordered superconductor in thin film form for potential application as superconducting nanowire single photon detector

C Cirillo, V Granata, A Spuri, A Di Bernardo… - Physical Review …, 2021 - APS
A superconductor, NbReN, in thin film form is synthesized. Here, the deposition parameters
and the electrical transport characterization of NbReN films grown by reactive dc sputtering …

[HTML][HTML] Microstructures and superconducting properties of MgB2 bulk samples processed by ultra-high pressure-assisted sintering

Z Gao, S Santra, S Amirkhanlou, E Eardley… - Journal of the European …, 2022 - Elsevier
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 …

Calculation of the volume pinning force in superconductors

M Eisterer - Physical Review B—Condensed Matter and Materials …, 2008 - APS
The field dependence of the volume pinning force in anisotropic polycrystalline
superconductors is calculated for various well established pinning models. The anisotropy …

Tailored Materials for High‐Performance MgB2 Wire

JH Kim, S Oh, H Kumakura, A Matsumoto, YU Heo… - Advanced …, 2011 - infona.pl
Carbon‐encapsulated crystalline boron nanopowder and coarse magnesium powder are
used as inexpensive tailored starting materials for the fabrication of high‐performance MgB …

Correlation between microstructure and superconducting properties of MgB2 bulk samples with Mg addition and Mg/hBN co-additions

Z Gao, CRM Grovenor, SC Speller - Superconductor Science and …, 2023 - iopscience.iop.org
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 …