Unveiling superconducting properties of an equiatomic hexagonal high entropy alloy via muon spin relaxation and rotation measurement
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866915219546046464 |
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| author | Jangid, Sonika Meena, Pavan Kumar Atale, Niraj P. Stewart, Rhea Hillier, Adrian D. Singh, R. P. |
| author_facet | Jangid, Sonika Meena, Pavan Kumar Atale, Niraj P. Stewart, Rhea Hillier, Adrian D. Singh, R. P. |
| contents | Superconducting high-entropy alloys (HEAs) present a unique platform for studying the effect of disorder, composition, and crystal structure on superconducting pairing. In this study, we present a comprehensive bulk and microscopic investigation of the rarely observed equiatomic hexagonal HEA Nb-Mo-Ru-Re-Ir using magnetization, resistivity, heat capacity, and muon spin relaxation and rotation ($μ$SR) measurements. Our findings confirm bulk type-II superconductivity with a transition temperature of 4.63(2) K and a high upper critical field. Heat capacity and transverse-field $μ$SR data reveal conventional s-wave superconductivity, while zero-field $μ$SR results suggest the preservation of time-reversal symmetry in the superconducting state. These findings provide valuable insights into the superconducting pairing mechanism in disordered multicomponent systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_24287 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Unveiling superconducting properties of an equiatomic hexagonal high entropy alloy via muon spin relaxation and rotation measurement Jangid, Sonika Meena, Pavan Kumar Atale, Niraj P. Stewart, Rhea Hillier, Adrian D. Singh, R. P. Superconductivity Superconducting high-entropy alloys (HEAs) present a unique platform for studying the effect of disorder, composition, and crystal structure on superconducting pairing. In this study, we present a comprehensive bulk and microscopic investigation of the rarely observed equiatomic hexagonal HEA Nb-Mo-Ru-Re-Ir using magnetization, resistivity, heat capacity, and muon spin relaxation and rotation ($μ$SR) measurements. Our findings confirm bulk type-II superconductivity with a transition temperature of 4.63(2) K and a high upper critical field. Heat capacity and transverse-field $μ$SR data reveal conventional s-wave superconductivity, while zero-field $μ$SR results suggest the preservation of time-reversal symmetry in the superconducting state. These findings provide valuable insights into the superconducting pairing mechanism in disordered multicomponent systems. |
| title | Unveiling superconducting properties of an equiatomic hexagonal high entropy alloy via muon spin relaxation and rotation measurement |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2503.24287 |