Correlation Between Magnetic Anisotropy and Superconducting Properties in NbScTiZr Alloy
DOI:
https://doi.org/10.31224/4786Keywords:
High-entropy superconductor, Magnetic anisotropy energy (MAE), Vortex pinning anisotropy, Critical current density, Upper critical field, NbScTiZr alloy, Eutectic microstructure, Disordered superconductors, Spin-orbit coupling (SOC), Type-II superconductivity, Angle-resolved magnetization, DFT calculations, Microstructure-property correlation, Statistical validation, Cryogenic transport measurements, High-field magnets, Fusion reactor materials, Quantum computing substratesAbstract
This study establishes quantitative empirical relationships between the magnetic anisotropy energy (E*) and critical superconducting parameters — critical temperature (T_c) and critical current density (J_c) — in the multi-principal element alloy NbScTiZr. Based on experimental data across various processing conditions, we derive modified BCS-like and power-law models that relate E* to T_c and J_c, incorporating strain effects and flux pinning mechanisms. A unified model is proposed to guide alloy processing for optimal superconducting performance. The results demonstrate the potential of anisotropy engineering in high-performance superconducting materials
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Copyright (c) 2025 Sudhakar Geruganti
This work is licensed under a Creative Commons Attribution 4.0 International License.
