106 citations · 268 across the 10 of their papers we have counts for
10 papers
Asymmetric stress engineering of dense dislocations in brittle superconductors for strong vortex pinning
Meng Han, Chiheng Dong, Chao Yao +17
Large lossless currents in high-temperature superconductors (HTS) critically rely on dense defects with suitable size and dimensionality to pin vortices, with dislocations being pa…
High-performance Ba1-xKxFe2As2 superconducting joints for persistent current operation
Yanchang Zhu, Dongliang Wang, Qiqi Wang +7
Superconducting joints are one of the key technologies to make Ba1-xKxFe2As2 (Ba-122) superconducting wires or tapes for high-field applications. Herein, superconducting joints wer…
High-performance Ba1-xKxFe2As2 superconducting tapes with grain texture engineered via a scalable and cost-effective fabrication
Shifa Liu, Chao Yao, He Huang +6
Nowadays the development of high-field magnets strongly relies on the performance of superconducting materials. Iron-based superconductors exhibit high upper critical fields and lo…
Slow Vortex Creep Induced by Strong Grain Boundary Pinning in Advanced Ba122 Superconducting Tapes
Chiheng Dong, He Huang, Yanwei Ma
We report the temperature, magnetic field and time dependences of magnetization in advanced Ba122 superconducting tapes. The sample exhibits a peculiar vortex creep behavior. Below…
First performance test of 30 mm iron-based superconductor single pancake coil under 24 T background field
Dongliang Wang, Zhan Zhang, Xianping Zhang +6
The iron-based superconductor (IBS) single pancake coil (SPC) with 30 mm inner diameter was firstly fabricated and tested under 24 T background field. This SPC was successfully mad…
Chemical stability and superconductivity in Ag-sheathed CaKFe4As4 superconducting tapes
Zhe Cheng, Chiheng Dong, He Huang +7
Ag-sheathed CaKFe4As4 superconducting tapes have been fabricated via the ex-situ powder-in-tube method. Thermal and X-ray diffraction analyses suggest that the CaKFe4As4 phase is u…
Superconducting joint between iron-based superconductor tapes
Yanchang Zhu, Dongliang Wang, Chundong Zhu +5
Superconducting joints are essential for iron-based superconductor's applications in future. In this study, a process for fabricating superconducting joints between Sr1-xKxFe2As2 (…
Calorimetric evidence for enhancement of homogeneity in high performance Sr1-xKxFe2As2 superconductors
Chiheng Dong, Chao Yao, He Huang +3
We comparatively studied the critical current density, magnetization and specific heat of the rolled and the hot-pressed Sr1-xKxFe2As2 tapes. The Schottky anomaly that is obvious i…
High transport current superconductivity in powder-in-tube Ba0.6K0.4Fe2As2 tapes at 27 tesla
He Huang, Chao Yao, Chiheng Dong +6
The high upper critical field and low anisotropy of iron-based superconductors make them being particularly attractive for high-field applications. However, the current carrying ca…
Vortex pinning and dynamics in high performance Sr0.6K0.4Fe2As2 superconductor
Chiheng Dong, He Lin, He Huang +7
We have studied vortex pinning and dynamics in a Sr0.6K0.4Fe2As2 superconducting tape with critical current density Jc~0.1 MA/cm2 at 4.2 K and 10 T. It is found that grain boundary…