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Wide field imaging of van der Waals ferromagnet Fe3GeTe2 by spin defects in hexagonal boron nitride

Author

Listed:
  • Mengqi Huang

    (University of California, San Diego)

  • Jingcheng Zhou

    (University of California, San Diego)

  • Di Chen

    (University of Houston
    University of Houston)

  • Hanyi Lu

    (University of California, San Diego)

  • Nathan J. McLaughlin

    (University of California, San Diego)

  • Senlei Li

    (University of California, San Diego)

  • Mohammed Alghamdi

    (University of California)

  • Dziga Djugba

    (University of California, San Diego)

  • Jing Shi

    (University of California)

  • Hailong Wang

    (University of California, San Diego)

  • Chunhui Rita Du

    (University of California, San Diego
    University of California, San Diego)

Abstract

Emergent color centers with accessible spins hosted by van der Waals materials have attracted substantial interest in recent years due to their significant potential for implementing transformative quantum sensing technologies. Hexagonal boron nitride (hBN) is naturally relevant in this context due to its remarkable ease of integration into devices consisting of low-dimensional materials. Taking advantage of boron vacancy spin defects in hBN, we report nanoscale quantum imaging of low-dimensional ferromagnetism sustained in Fe3GeTe2/hBN van der Waals heterostructures. Exploiting spin relaxometry methods, we have further observed spatially varying magnetic fluctuations in the exfoliated Fe3GeTe2 flake, whose magnitude reaches a peak value around the Curie temperature. Our results demonstrate the capability of spin defects in hBN of investigating local magnetic properties of layered materials in an accessible and precise way, which can be extended readily to a broad range of miniaturized van der Waals heterostructure systems.

Suggested Citation

  • Mengqi Huang & Jingcheng Zhou & Di Chen & Hanyi Lu & Nathan J. McLaughlin & Senlei Li & Mohammed Alghamdi & Dziga Djugba & Jing Shi & Hailong Wang & Chunhui Rita Du, 2022. "Wide field imaging of van der Waals ferromagnet Fe3GeTe2 by spin defects in hexagonal boron nitride," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-33016-2
    DOI: 10.1038/s41467-022-33016-2
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    References listed on IDEAS

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    1. William F. Koehl & Bob B. Buckley & F. Joseph Heremans & Greg Calusine & David D. Awschalom, 2011. "Room temperature coherent control of defect spin qubits in silicon carbide," Nature, Nature, vol. 479(7371), pages 84-87, November.
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    Cited by:

    1. Mengqi Huang & Zeliang Sun & Gerald Yan & Hongchao Xie & Nishkarsh Agarwal & Gaihua Ye & Suk Hyun Sung & Hanyi Lu & Jingcheng Zhou & Shaohua Yan & Shangjie Tian & Hechang Lei & Robert Hovden & Rui He , 2023. "Revealing intrinsic domains and fluctuations of moiré magnetism by a wide-field quantum microscope," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    2. Xingyu Gao & Sumukh Vaidya & Saakshi Dikshit & Peng Ju & Kunhong Shen & Yuanbin Jin & Shixiong Zhang & Tongcang Li, 2024. "Nanotube spin defects for omnidirectional magnetic field sensing," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    3. Ruotian Gong & Xinyi Du & Eli Janzen & Vincent Liu & Zhongyuan Liu & Guanghui He & Bingtian Ye & Tongcang Li & Norman Y. Yao & James H. Edgar & Erik A. Henriksen & Chong Zu, 2024. "Isotope engineering for spin defects in van der Waals materials," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    4. Sam C. Scholten & Priya Singh & Alexander J. Healey & Islay O. Robertson & Galya Haim & Cheng Tan & David A. Broadway & Lan Wang & Hiroshi Abe & Takeshi Ohshima & Mehran Kianinia & Philipp Reineck & I, 2024. "Multi-species optically addressable spin defects in a van der Waals material," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    5. Andrew J. Ramsay & Reza Hekmati & Charlie J. Patrickson & Simon Baber & David R. M. Arvidsson-Shukur & Anthony J. Bennett & Isaac J. Luxmoore, 2023. "Coherence protection of spin qubits in hexagonal boron nitride," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    6. Roberto Rizzato & Martin Schalk & Stephan Mohr & Jens C. Hermann & Joachim P. Leibold & Fleming Bruckmaier & Giovanna Salvitti & Chenjiang Qian & Peirui Ji & Georgy V. Astakhov & Ulrich Kentsch & Manf, 2023. "Extending the coherence of spin defects in hBN enables advanced qubit control and quantum sensing," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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