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Discovery of charge density wave in a kagome lattice antiferromagnet

Author

Listed:
  • Xiaokun Teng

    (Rice University)

  • Lebing Chen

    (Rice University)

  • Feng Ye

    (Oak Ridge National Laboratory)

  • Elliott Rosenberg

    (University of Washington)

  • Zhaoyu Liu

    (University of Washington)

  • Jia-Xin Yin

    (Princeton University)

  • Yu-Xiao Jiang

    (Princeton University)

  • Ji Seop Oh

    (Rice University
    University of California, Berkeley)

  • M. Zahid Hasan

    (Princeton University)

  • Kelly J. Neubauer

    (Rice University)

  • Bin Gao

    (Rice University)

  • Yaofeng Xie

    (Rice University)

  • Makoto Hashimoto

    (SLAC National Accelerator Laboratory)

  • Donghui Lu

    (SLAC National Accelerator Laboratory)

  • Chris Jozwiak

    (Lawrence Berkeley National Laboratory)

  • Aaron Bostwick

    (Lawrence Berkeley National Laboratory)

  • Eli Rotenberg

    (Lawrence Berkeley National Laboratory)

  • Robert J. Birgeneau

    (University of California, Berkeley
    Lawrence Berkeley National Laboratory)

  • Jiun-Haw Chu

    (University of Washington)

  • Ming Yi

    (Rice University)

  • Pengcheng Dai

    (Rice University)

Abstract

A hallmark of strongly correlated quantum materials is the rich phase diagram resulting from competing and intertwined phases with nearly degenerate ground-state energies1,2. A well-known example is the copper oxides, in which a charge density wave (CDW) is ordered well above and strongly coupled to the magnetic order to form spin-charge-separated stripes that compete with superconductivity1,2. Recently, such rich phase diagrams have also been shown in correlated topological materials. In 2D kagome lattice metals consisting of corner-sharing triangles, the geometry of the lattice can produce flat bands with localized electrons3,4, non-trivial topology5–7, chiral magnetic order8,9, superconductivity and CDW order10–15. Although CDW has been found in weakly electron-correlated non-magnetic AV3Sb5 (A = K, Rb, Cs)10–15, it has not yet been observed in correlated magnetic-ordered kagome lattice metals4,16–21. Here we report the discovery of CDW in the antiferromagnetic (AFM) ordered phase of kagome lattice FeGe (refs. 16–19). The CDW in FeGe occurs at wavevectors identical to that of AV3Sb5 (refs. 10–15), enhances the AFM ordered moment and induces an emergent anomalous Hall effect22,23. Our findings suggest that CDW in FeGe arises from the combination of electron-correlations-driven AFM order and van Hove singularities (vHSs)-driven instability possibly associated with a chiral flux phase24–28, in stark contrast to strongly correlated copper oxides1,2 and nickelates29–31, in which the CDW precedes or accompanies the magnetic order.

Suggested Citation

  • Xiaokun Teng & Lebing Chen & Feng Ye & Elliott Rosenberg & Zhaoyu Liu & Jia-Xin Yin & Yu-Xiao Jiang & Ji Seop Oh & M. Zahid Hasan & Kelly J. Neubauer & Bin Gao & Yaofeng Xie & Makoto Hashimoto & Dongh, 2022. "Discovery of charge density wave in a kagome lattice antiferromagnet," Nature, Nature, vol. 609(7927), pages 490-495, September.
  • Handle: RePEc:nat:nature:v:609:y:2022:i:7927:d:10.1038_s41586-022-05034-z
    DOI: 10.1038/s41586-022-05034-z
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    Citations

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    Cited by:

    1. Zhicheng Jiang & Zhengtai Liu & Haiyang Ma & Wei Xia & Zhonghao Liu & Jishan Liu & Soohyun Cho & Yichen Yang & Jianyang Ding & Jiayu Liu & Zhe Huang & Yuxi Qiao & Jiajia Shen & Wenchuan Jing & Xiangqi, 2023. "Flat bands, non-trivial band topology and rotation symmetry breaking in layered kagome-lattice RbTi3Bi5," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    2. Lei Chen & Fang Xie & Shouvik Sur & Haoyu Hu & Silke Paschen & Jennifer Cano & Qimiao Si, 2024. "Emergent flat band and topological Kondo semimetal driven by orbital-selective correlations," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    3. Jiangang Yang & Xinwei Yi & Zhen Zhao & Yuyang Xie & Taimin Miao & Hailan Luo & Hao Chen & Bo Liang & Wenpei Zhu & Yuhan Ye & Jing-Yang You & Bo Gu & Shenjin Zhang & Fengfeng Zhang & Feng Yang & Zhimi, 2023. "Observation of flat band, Dirac nodal lines and topological surface states in Kagome superconductor CsTi3Bi5," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    4. Saizheng Cao & Chenchao Xu & Hiroshi Fukui & Taishun Manjo & Ying Dong & Ming Shi & Yang Liu & Chao Cao & Yu Song, 2023. "Competing charge-density wave instabilities in the kagome metal ScV6Sn6," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    5. Huimin Zhang & Basu Dev Oli & Qiang Zou & Xu Guo & Zhengfei Wang & Lian Li, 2023. "Visualizing symmetry-breaking electronic orders in epitaxial Kagome magnet FeSn films," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    6. A. Korshunov & H. Hu & D. Subires & Y. Jiang & D. Călugăru & X. Feng & A. Rajapitamahuni & C. Yi & S. Roychowdhury & M. G. Vergniory & J. Strempfer & C. Shekhar & E. Vescovo & D. Chernyshov & A. H. Sa, 2023. "Softening of a flat phonon mode in the kagome ScV6Sn6," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    7. Lebing Chen & Xiaokun Teng & Hengxin Tan & Barry L. Winn & Garrett E. Granroth & Feng Ye & D. H. Yu & R. A. Mole & Bin Gao & Binghai Yan & Ming Yi & Pengcheng Dai, 2024. "Competing itinerant and local spin interactions in kagome metal FeGe," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    8. Hui Chen & Yuqing Xing & Hengxin Tan & Li Huang & Qi Zheng & Zihao Huang & Xianghe Han & Bin Hu & Yuhan Ye & Yan Li & Yao Xiao & Hechang Lei & Xianggang Qiu & Enke Liu & Haitao Yang & Ziqiang Wang & B, 2024. "Atomically precise engineering of spin–orbit polarons in a kagome magnetic Weyl semimetal," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    9. Ziyuan Chen & Xueliang Wu & Shiming Zhou & Jiakang Zhang & Ruotong Yin & Yuanji Li & Mingzhe Li & Jiashuo Gong & Mingquan He & Yisheng Chai & Xiaoyuan Zhou & Yilin Wang & Aifeng Wang & Ya-Jun Yan & Do, 2024. "Discovery of a long-ranged charge order with 1/4 Ge1-dimerization in an antiferromagnetic Kagome metal," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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