Zero-field Anomalous Hall Effect in Bulk Single Crystal Mn3Ir
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866912616715124736 |
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| author | Gu, Xin Wang, Ruoqi Zhao, Bo Wen, Haofu Hong, Kunquan Yuan, Shijun Chen, Taishi Wang, Jinlan |
| author_facet | Gu, Xin Wang, Ruoqi Zhao, Bo Wen, Haofu Hong, Kunquan Yuan, Shijun Chen, Taishi Wang, Jinlan |
| contents | The L1_2-phase non-collinear antiferromagnet (AFM) Mn_3Ir has emerged as a pioneering platform for realizing the zero-field anomalous Hall effect (AHE), thereby catalyzing rapid advances in antiferromagnetic spintronics. Despite its significant potential, experimental investigations of the intrinsic magnetic and electronic properties of Mn_3Ir have been greatly hindered by the formidable challenges in growing bulk single crystals. Here, we report the growth of stoichiometric Mn_3Ir bulk single crystals and their characterization in terms of magnetization and the AHE. Using a high-throughput flux method, we obtained (111)-oriented hexagonal Mn_3Ir single crystals. A small AHE signal was detected, which we attribute to the coexistence of A- and B-type antiferromagnetic domains that mutually cancel the net AHE response. Our results reveal key aspects of the intrinsic magnetic properties and AHE in bulk Mn_3Ir, providing a critical material platform for the development of advanced spintronic devices. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_18485 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Zero-field Anomalous Hall Effect in Bulk Single Crystal Mn3Ir Gu, Xin Wang, Ruoqi Zhao, Bo Wen, Haofu Hong, Kunquan Yuan, Shijun Chen, Taishi Wang, Jinlan Materials Science The L1_2-phase non-collinear antiferromagnet (AFM) Mn_3Ir has emerged as a pioneering platform for realizing the zero-field anomalous Hall effect (AHE), thereby catalyzing rapid advances in antiferromagnetic spintronics. Despite its significant potential, experimental investigations of the intrinsic magnetic and electronic properties of Mn_3Ir have been greatly hindered by the formidable challenges in growing bulk single crystals. Here, we report the growth of stoichiometric Mn_3Ir bulk single crystals and their characterization in terms of magnetization and the AHE. Using a high-throughput flux method, we obtained (111)-oriented hexagonal Mn_3Ir single crystals. A small AHE signal was detected, which we attribute to the coexistence of A- and B-type antiferromagnetic domains that mutually cancel the net AHE response. Our results reveal key aspects of the intrinsic magnetic properties and AHE in bulk Mn_3Ir, providing a critical material platform for the development of advanced spintronic devices. |
| title | Zero-field Anomalous Hall Effect in Bulk Single Crystal Mn3Ir |
| topic | Materials Science |
| url | https://arxiv.org/abs/2509.18485 |