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Optical manipulation of electronic dimensionality in a quantum material

Author

Listed:
  • Shaofeng Duan

    (Shanghai Jiao Tong University)

  • Yun Cheng

    (Shanghai Jiao Tong University)

  • Wei Xia

    (ShanghaiTech University)

  • Yuanyuan Yang

    (Shanghai Jiao Tong University)

  • Chengyang Xu

    (Shanghai Jiao Tong University)

  • Fengfeng Qi

    (Shanghai Jiao Tong University)

  • Chaozhi Huang

    (Shanghai Jiao Tong University)

  • Tianwei Tang

    (Shanghai Jiao Tong University)

  • Yanfeng Guo

    (ShanghaiTech University)

  • Weidong Luo

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Dong Qian

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Dao Xiang

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Jie Zhang

    (Shanghai Jiao Tong University)

  • Wentao Zhang

    (Shanghai Jiao Tong University)

Abstract

Exotic phenomena can be achieved in quantum materials by confining electronic states into two dimensions. For example, relativistic fermions are realized in a single layer of carbon atoms1, the quantized Hall effect can result from two-dimensional (2D) systems2,3, and the superconducting transition temperature can be considerably increased in a one-atomic-layer material4,5. Ordinarily, a 2D electronic system can be obtained by exfoliating the layered materials, growing monolayer materials on substrates, or establishing interfaces between different materials. Here we use femtosecond infrared laser pulses to invert the periodic lattice distortion sectionally in a three-dimensional (3D) charge density wave material (1T-TiSe2), creating macroscopic domain walls of transient 2D ordered electronic states with unusual properties. The corresponding ultrafast electronic and lattice dynamics are captured by time-resolved and angle-resolved photoemission spectroscopy6 and ultrafast electron diffraction at energies of the order of megaelectronvolts7. Moreover, in the photoinduced 2D domain wall near the surface we identify a phase with enhanced density of states and signatures of potential opening of an energy gap near the Fermi energy. Such optical modulation of atomic motion is an alternative path towards realizing 2D electronic states and will be a useful platform upon which novel phases in quantum materials may be discovered.

Suggested Citation

  • Shaofeng Duan & Yun Cheng & Wei Xia & Yuanyuan Yang & Chengyang Xu & Fengfeng Qi & Chaozhi Huang & Tianwei Tang & Yanfeng Guo & Weidong Luo & Dong Qian & Dao Xiang & Jie Zhang & Wentao Zhang, 2021. "Optical manipulation of electronic dimensionality in a quantum material," Nature, Nature, vol. 595(7866), pages 239-244, July.
  • Handle: RePEc:nat:nature:v:595:y:2021:i:7866:d:10.1038_s41586-021-03643-8
    DOI: 10.1038/s41586-021-03643-8
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    Citations

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    Cited by:

    1. Chenhang Xu & Cheng Jin & Zijing Chen & Qi Lu & Yun Cheng & Bo Zhang & Fengfeng Qi & Jiajun Chen & Xunqing Yin & Guohua Wang & Dao Xiang & Dong Qian, 2023. "Transient dynamics of the phase transition in VO2 revealed by mega-electron-volt ultrafast electron diffraction," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    2. Yiwei Li & Lixuan Xu & Gan Liu & Yuqiang Fang & Huijun Zheng & Shenghao Dai & Enting Li & Guang Zhu & Shihao Zhang & Shiheng Liang & Lexian Yang & Fuqiang Huang & Xiaoxiang Xi & Zhongkai Liu & Nan Xu , 2024. "Evidence of strong and mode-selective electron–phonon coupling in the topological superconductor candidate 2M-WS2," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    3. Yun Cheng & Alfred Zong & Jun Li & Wei Xia & Shaofeng Duan & Wenxuan Zhao & Yidian Li & Fengfeng Qi & Jun Wu & Lingrong Zhao & Pengfei Zhu & Xiao Zou & Tao Jiang & Yanfeng Guo & Lexian Yang & Dong Qia, 2022. "Light-induced dimension crossover dictated by excitonic correlations," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    4. Nguyen Nhat Quyen & Wen-Yen Tzeng & Chih-En Hsu & I-An Lin & Wan-Hsin Chen & Hao-Hsiang Jia & Sheng-Chiao Wang & Cheng-En Liu & Yu-Sheng Chen & Wei-Liang Chen & Ta-Lei Chou & I-Ta Wang & Chia-Nung Kuo, 2024. "Three-dimensional ultrafast charge-density-wave dynamics in CuTe," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    5. Han Wu & Lei Chen & Paul Malinowski & Bo Gyu Jang & Qinwen Deng & Kirsty Scott & Jianwei Huang & Jacob P. C. Ruff & Yu He & Xiang Chen & Chaowei Hu & Ziqin Yue & Ji Seop Oh & Xiaokun Teng & Yucheng Gu, 2024. "Reversible non-volatile electronic switching in a near-room-temperature van der Waals ferromagnet," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    6. Qiaomei Liu & Dong Wu & Tianyi Wu & Shanshan Han & Yiran Peng & Zhihong Yuan & Yihan Cheng & Bohan Li & Tianchen Hu & Li Yue & Shuxiang Xu & Ruoxuan Ding & Ming Lu & Rongsheng Li & Sijie Zhang & Baiqi, 2024. "Room-temperature non-volatile optical manipulation of polar order in a charge density wave," Nature Communications, Nature, vol. 15(1), pages 1-8, December.

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