Néel vector-dependent anomalous transport in altermagnetic metal CrSb
Abstract Altermagnets are predicted to exhibit anomalous transport phenomena, such as the anomalous Hall and Nernst effects, as observed in ferromagnets but with a vanishing net magnetic moment, akin to antiferromagnets. Despite their potential, progress has been limited due to the scarcity of metal...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2025-05-01
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| Series: | npj Quantum Materials |
| Online Access: | https://doi.org/10.1038/s41535-025-00766-3 |
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| author | Tianye Yu Ijaz Shahid Peitao Liu Ding-Fu Shao Xing-Qiu Chen Yan Sun |
| author_facet | Tianye Yu Ijaz Shahid Peitao Liu Ding-Fu Shao Xing-Qiu Chen Yan Sun |
| author_sort | Tianye Yu |
| collection | DOAJ |
| description | Abstract Altermagnets are predicted to exhibit anomalous transport phenomena, such as the anomalous Hall and Nernst effects, as observed in ferromagnets but with a vanishing net magnetic moment, akin to antiferromagnets. Despite their potential, progress has been limited due to the scarcity of metallic altermagnets. Motivated by the recent discovery of the altermagnetic metal CrSb, we conducted a systematic study of its electrical and thermoelectric transport properties, using first-principles calculations. CrSb exhibits low magnetocrystalline anisotropy energy, enabling the manipulation of the Néel vector in CrSb films through a suitable ferromagnetic substrate. The anomalous Hall and Nernst conductivities reach their maximum when the Néel vector is aligned along $$\frac{1}{2}{\boldsymbol{a}}+{\boldsymbol{b}}$$ 1 2 a + b . The origins of both conductivities were analyzed in terms of Berry curvature distribution. Our results demonstrate that CrSb provides a good platform for investigating the Néel vector-dependent anomalous transport in altermagnetic metals. |
| format | Article |
| id | doaj-art-78ddb1fd5fc04faca4a001cb813dd449 |
| institution | Kabale University |
| issn | 2397-4648 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | npj Quantum Materials |
| spelling | doaj-art-78ddb1fd5fc04faca4a001cb813dd4492025-08-20T03:53:58ZengNature Portfolionpj Quantum Materials2397-46482025-05-011011710.1038/s41535-025-00766-3Néel vector-dependent anomalous transport in altermagnetic metal CrSbTianye Yu0Ijaz Shahid1Peitao Liu2Ding-Fu Shao3Xing-Qiu Chen4Yan Sun5Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of SciencesShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of SciencesShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of SciencesKey Laboratory of Materials Physics, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of SciencesShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of SciencesShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of SciencesAbstract Altermagnets are predicted to exhibit anomalous transport phenomena, such as the anomalous Hall and Nernst effects, as observed in ferromagnets but with a vanishing net magnetic moment, akin to antiferromagnets. Despite their potential, progress has been limited due to the scarcity of metallic altermagnets. Motivated by the recent discovery of the altermagnetic metal CrSb, we conducted a systematic study of its electrical and thermoelectric transport properties, using first-principles calculations. CrSb exhibits low magnetocrystalline anisotropy energy, enabling the manipulation of the Néel vector in CrSb films through a suitable ferromagnetic substrate. The anomalous Hall and Nernst conductivities reach their maximum when the Néel vector is aligned along $$\frac{1}{2}{\boldsymbol{a}}+{\boldsymbol{b}}$$ 1 2 a + b . The origins of both conductivities were analyzed in terms of Berry curvature distribution. Our results demonstrate that CrSb provides a good platform for investigating the Néel vector-dependent anomalous transport in altermagnetic metals.https://doi.org/10.1038/s41535-025-00766-3 |
| spellingShingle | Tianye Yu Ijaz Shahid Peitao Liu Ding-Fu Shao Xing-Qiu Chen Yan Sun Néel vector-dependent anomalous transport in altermagnetic metal CrSb npj Quantum Materials |
| title | Néel vector-dependent anomalous transport in altermagnetic metal CrSb |
| title_full | Néel vector-dependent anomalous transport in altermagnetic metal CrSb |
| title_fullStr | Néel vector-dependent anomalous transport in altermagnetic metal CrSb |
| title_full_unstemmed | Néel vector-dependent anomalous transport in altermagnetic metal CrSb |
| title_short | Néel vector-dependent anomalous transport in altermagnetic metal CrSb |
| title_sort | neel vector dependent anomalous transport in altermagnetic metal crsb |
| url | https://doi.org/10.1038/s41535-025-00766-3 |
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