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Molecular molds for regularizing Kondo states at atom/metal interfaces

Author

Listed:
  • Xiangyang Li

    (University of Science and Technology of China)

  • Liang Zhu

    (University of Science and Technology of China)

  • Bin Li

    (University of Science and Technology of China)

  • Jingcheng Li

    (University of Science and Technology of China)

  • Pengfei Gao

    (University of Science and Technology of China)

  • Longqing Yang

    (University of Science and Technology of China)

  • Aidi Zhao

    (University of Science and Technology of China)

  • Yi Luo

    (University of Science and Technology of China)

  • Jianguo Hou

    (University of Science and Technology of China)

  • Xiao Zheng

    (University of Science and Technology of China)

  • Bing Wang

    (University of Science and Technology of China)

  • Jinlong Yang

    (University of Science and Technology of China)

Abstract

Adsorption of magnetic transition metal atoms on a metal surface leads to the formation of Kondo states at the atom/metal interfaces. However, the significant influence of surrounding environment presents challenges for potential applications. In this work, we realize a novel strategy to regularize the Kondo states by moving a CoPc molecular mold on an Au(111) surface to capture the dispersed Co adatoms. The symmetric and ordered structures of the atom-mold complexes, as well as the strong dπ–π bonding between the Co adatoms and conjugated isoindole units, result in highly robust and uniform Kondo states at the Co/Au(111) interfaces. Even more remarkably, the CoPc further enables a fine tuning of Kondo states through the molecular-mold-mediated superexchange interactions between Co adatoms separated by more than 12 Å. Being highly precise, efficient and reproducible, the proposed molecular mold strategy may open a new horizon for the construction and control of nano-sized quantum devices.

Suggested Citation

  • Xiangyang Li & Liang Zhu & Bin Li & Jingcheng Li & Pengfei Gao & Longqing Yang & Aidi Zhao & Yi Luo & Jianguo Hou & Xiao Zheng & Bing Wang & Jinlong Yang, 2020. "Molecular molds for regularizing Kondo states at atom/metal interfaces," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-16402-6
    DOI: 10.1038/s41467-020-16402-6
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    Cited by:

    1. Ruoting Yin & Xiang Zhu & Qiang Fu & Tianyi Hu & Lingyun Wan & Yingying Wu & Yifan Liang & Zhengya Wang & Zhen-Lin Qiu & Yuan-Zhi Tan & Chuanxu Ma & Shijing Tan & Wei Hu & Bin Li & Z. F. Wang & Jinlon, 2024. "Artificial kagome lattices of Shockley surface states patterned by halogen hydrogen-bonded organic frameworks," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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