中国物理B ›› 2024, Vol. 33 ›› Issue (5): 57501-057501.doi: 10.1088/1674-1056/ad322d

所属专题: SPECIAL TOPIC — Recent progress on kagome metals and superconductors

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Enhanced anomalous Hall effect in kagome magnet YbMn6Sn6 with intermediate-valence ytterbium

Longfei Li(李龙飞)1, Shengwei Chi(迟晟玮)2, Wenlong Ma(马文龙)1, Kaizhen Guo(郭凯臻)1, Gang Xu(徐刚)2, and Shuang Jia(贾爽)1,3,4,†   

  1. 1 International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China;
    2 Wuhan National High Magnetic Field Center and School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China;
    3 Interdisciplinary Institute of Light-Element Quantum Materials and Research Center for Light-Element Advanced Materials, Peking University, Beijing 100871, China;
    4 Hefei National Laboratory, Hefei 230088, China
  • 收稿日期:2024-01-19 修回日期:2024-02-28 接受日期:2024-03-11 出版日期:2024-05-20 发布日期:2024-05-20
  • 通讯作者: Shuang Jia E-mail:gwljiashuang@pku.edu.cn
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 12141002, 12225401, and 12274154), the National Key Research and Development Program of China (Grant No. 2021YFA1401902), the CAS Interdisciplinary Innovation Team, and the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB28000000).

Enhanced anomalous Hall effect in kagome magnet YbMn6Sn6 with intermediate-valence ytterbium

Longfei Li(李龙飞)1, Shengwei Chi(迟晟玮)2, Wenlong Ma(马文龙)1, Kaizhen Guo(郭凯臻)1, Gang Xu(徐刚)2, and Shuang Jia(贾爽)1,3,4,†   

  1. 1 International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China;
    2 Wuhan National High Magnetic Field Center and School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China;
    3 Interdisciplinary Institute of Light-Element Quantum Materials and Research Center for Light-Element Advanced Materials, Peking University, Beijing 100871, China;
    4 Hefei National Laboratory, Hefei 230088, China
  • Received:2024-01-19 Revised:2024-02-28 Accepted:2024-03-11 Online:2024-05-20 Published:2024-05-20
  • Contact: Shuang Jia E-mail:gwljiashuang@pku.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 12141002, 12225401, and 12274154), the National Key Research and Development Program of China (Grant No. 2021YFA1401902), the CAS Interdisciplinary Innovation Team, and the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB28000000).

摘要: We report on the magnetization and anomalous Hall effect (AHE) in the high-quality single crystals of the kagome magnet YbMn$_{6}$Sn$_{6}$, where the spins of the Mn atoms in the kagome lattice order ferromagnetically and the intermediate-valence Yb atoms are nonmagnetic. The intrinsic mechanism plays a crucial role in the AHE, leading to an enhanced anomalous Hall conductivity (AHC) compared with the other rare-earth $R$Mn$_{6}$Sn$_{6}$ compounds. Our band structure calculation reveals a strong hybridization between the 4f electrons of Yb and conduction electrons.

关键词: anomalous Hall effect, kagome magnet, intermediate valence

Abstract: We report on the magnetization and anomalous Hall effect (AHE) in the high-quality single crystals of the kagome magnet YbMn$_{6}$Sn$_{6}$, where the spins of the Mn atoms in the kagome lattice order ferromagnetically and the intermediate-valence Yb atoms are nonmagnetic. The intrinsic mechanism plays a crucial role in the AHE, leading to an enhanced anomalous Hall conductivity (AHC) compared with the other rare-earth $R$Mn$_{6}$Sn$_{6}$ compounds. Our band structure calculation reveals a strong hybridization between the 4f electrons of Yb and conduction electrons.

Key words: anomalous Hall effect, kagome magnet, intermediate valence

中图分类号:  (Magnetotransport phenomena; materials for magnetotransport)

  • 75.47.-m
72.15.Eb (Electrical and thermal conduction in crystalline metals and alloys) 71.20.Lp (Intermetallic compounds)