Revealing intrinsic domains and fluctuations of moiré magnetism by a wide-field quantum microscope

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dc.creatorHuang, Mengqi
dc.creatorSun, Zeliang
dc.creatorYan, Gerald
dc.creatorXie, Hongchao
dc.creatorAgarwal, Nishkarsh
dc.creatorYe, Gaihua (TTU)
dc.creatorSung, Suk Hyun
dc.creatorLu, Hanyi
dc.creatorZhou, Jingcheng
dc.creatorYan, Shaohua
dc.creatorTian, Shangjie
dc.creatorLei, Hechang
dc.creatorHovden, Robert
dc.creatorHe, Rui (TTU)
dc.creatorWang, Hailong
dc.creatorZhao, Liuyan
dc.creatorDu, Chunhui Rita
dc.date.accessioned2023-09-11T21:06:30Z
dc.date.available2023-09-11T21:06:30Z
dc.date.issued2023
dc.description© 2023, Springer Nature Limited. cc-by
dc.description.abstractMoiré magnetism featured by stacking engineered atomic registry and lattice interactions has recently emerged as an appealing quantum state of matter at the forefront of condensed matter physics research. Nanoscale imaging of moiré magnets is highly desirable and serves as a prerequisite to investigate a broad range of intriguing physics underlying the interplay between topology, electronic correlations, and unconventional nanomagnetism. Here we report spin defect-based wide-field imaging of magnetic domains and spin fluctuations in twisted double trilayer (tDT) chromium triiodide CrI3. We explicitly show that intrinsic moiré domains of opposite magnetizations appear over arrays of moiré supercells in low-twist-angle tDT CrI3. In contrast, spin fluctuations measured in tDT CrI3 manifest little spatial variations on the same mesoscopic length scale due to the dominant driving force of intralayer exchange interaction. Our results enrich the current understanding of exotic magnetic phases sustained by moiré magnetism and highlight the opportunities provided by quantum spin sensors in probing microscopic spin related phenomena on two-dimensional flatland.
dc.identifier.citationHuang, M., Sun, Z., Yan, G., Xie, H., Agarwal, N., Ye, G., Sung, S.H., Lu, H., Zhou, J., Yan, S., Tian, S., Lei, H., Hovden, R., He, R., Wang, H., Zhao, L., & Du, C.R.. 2023. Revealing intrinsic domains and fluctuations of moiré magnetism by a wide-field quantum microscope. Nature Communications, 14(1). https://doi.org/10.1038/s41467-023-40543-z
dc.identifier.urihttps://doi.org/10.1038/s41467-023-40543-z
dc.identifier.urihttps://hdl.handle.net/2346/95972
dc.language.isoeng
dc.titleRevealing intrinsic domains and fluctuations of moiré magnetism by a wide-field quantum microscope
dc.typeArticle

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