Observation of Spin Splitting in Room‐Temperature Metallic Antiferromagnet CrSb
Abstract: Recently, unconventional antiferromagnets that enable the spin splitting (SS) of electronic states have been theoretically proposed and experimentally realized, where the magnetic sublattices containing moments pointing at different directions are connected by a novel set of symmetries. Such SS is substantial, k‐dependent, and independent of the spin–orbit coupling (SOC) strength, making these magnets promising materials for antiferromagnetic spintronics. Here, combined with angle‐resolved photoemission spectroscopy (ARPES) and density functional theory (DFT) calculations, a systematic study on CrSb, a metallic spin‐split antiferromagnet candidate with Néel temperature TN = 703 K, is conducted. The data reveal the electronic structure of CrSb along both out‐of‐plane and in‐plane momentum directions, rendering an anisotropic k‐dependent SS that agrees well with the calculational results. The magnitude of such SS reaches up to at least 0.8 eV at non‐high‐symmetry momentum points, which is significantly higher than the largest known SOC‐induced SS. This compound expands the choice of materials in the field of antiferromagnetic spintronics and is likely to stimulate subsequent investigations of high‐efficiency spintronic devices that are functional at room temperature.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Observation of Spin Splitting in Room‐Temperature Metallic Antiferromagnet CrSb ; day:20 ; month:09 ; year:2024 ; extent:8
Advanced science ; (20.09.2024) (gesamt 8)
- Urheber
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Zeng, Meng
Zhu, Ming‐Yuan
Zhu, Yu‐Peng
Liu, Xiang‐Rui
Ma, Xiao‐Ming
Hao, Yu‐Jie
Liu, Pengfei
Qu, Gexing
Yang, Yichen
Jiang, Zhicheng
Yamagami, Kohei
Arita, Masashi
Zhang, Xiaoqian
Shao, Tian‐Hao
Dai, Yue
Shimada, Kenya
Liu, Zhengtai
Ye, Mao
Huang, Yaobo
Liu, Qihang
Liu, Chang
- DOI
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10.1002/advs.202406529
- URN
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urn:nbn:de:101:1-2409211408063.160435506294
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:35 MESZ
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Beteiligte
- Zeng, Meng
- Zhu, Ming‐Yuan
- Zhu, Yu‐Peng
- Liu, Xiang‐Rui
- Ma, Xiao‐Ming
- Hao, Yu‐Jie
- Liu, Pengfei
- Qu, Gexing
- Yang, Yichen
- Jiang, Zhicheng
- Yamagami, Kohei
- Arita, Masashi
- Zhang, Xiaoqian
- Shao, Tian‐Hao
- Dai, Yue
- Shimada, Kenya
- Liu, Zhengtai
- Ye, Mao
- Huang, Yaobo
- Liu, Qihang
- Liu, Chang
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