Emergent zero-field anomalous Hall effect in a reconstructed rutile antiferromagnetic metal

Wang，Meng1; Tanaka，Katsuhiro2; Sakai，Shiro1; Wang，Ziqian1; Deng，Ke3,4; Lyu，Yingjie5; Li，Cong5; Tian，Di5; Shen，Shengchun6; Ogawa，Naoki1,7; Kanazawa，Naoya8; Yu，Pu5; Arita，Ryotaro1,2; Kagawa，Fumitaka1,9

2023-12-01

10.1038/s41467-023-43962-0

Nature Communications   影响因子和分区

2041-1723

The anomalous Hall effect (AHE) that emerges in antiferromagnetic metals shows intriguing physics and offers numerous potential applications. Magnets with a rutile crystal structure have recently received attention as a possible platform for a collinear-antiferromagnetism-induced AHE. RuO is a prototypical candidate material, however the AHE is prohibited at zero field by symmetry because of the high-symmetry [001] direction of the Néel vector at the ground state. Here, we show AHE at zero field in Cr-doped rutile, RuCrO. The magnetization, transport and density functional theory calculations indicate that appropriate doping of Cr at Ru sites reconstructs the collinear antiferromagnetism in RuO, resulting in a rotation of the Néel vector from [001] to [110] while maintaining a collinear antiferromagnetic state. The AHE with vanishing net moment in the RuCrO exhibits an orientation dependence consistent with the [110]-oriented Hall vector. These results demonstrate that material engineering by doping is a useful approach to manipulate AHE in antiferromagnetic metals.

SCI

英语

NI论文

其他

2-s2.0-85179645375

Scopus

1.RIKEN Center for Emergent Matter Science (CEMS),Wako,351-0198,Japan
2.Research Center for Advanced Science and Technology,University of Tokyo,Tokyo,153-8904,Japan
3.Shenzhen Institute for Quantum Science and Engineering,Southern University of Science and Technology (SUSTech),Shenzhen,518055,China
4.International Quantum Academy,Shenzhen,518048,China
5.State Key Laboratory of Low Dimensional Quantum Physics and Department of Physics,Tsinghua University,Beijing,100084,China
6.Department of Physics,University of Science and Technology of China,Hefei,230026,China
7.Department of Applied Physics and Quantum-Phase Electronics Center (QPEC),University of Tokyo,Tokyo,113-8656,Japan
8.Institute of Industrial Science,The University of Tokyo,Tokyo,153-8505,Japan
9.Department of Physics,Tokyo Institute of Technology,Tokyo,152-8551,Japan

Wang，Meng,Tanaka，Katsuhiro,Sakai，Shiro,et al. Emergent zero-field anomalous Hall effect in a reconstructed rutile antiferromagnetic metal[J]. Nature Communications,2023,14(1).

Wang，Meng.,Tanaka，Katsuhiro.,Sakai，Shiro.,Wang，Ziqian.,Deng，Ke.,...&Kagawa，Fumitaka.(2023).Emergent zero-field anomalous Hall effect in a reconstructed rutile antiferromagnetic metal.Nature Communications,14(1).

Wang，Meng,et al."Emergent zero-field anomalous Hall effect in a reconstructed rutile antiferromagnetic metal".Nature Communications 14.1(2023).