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  • Lu, Longyu, et al. (author)
  • Tunable Magnetism in Atomically Thin Itinerant Antiferromagnet with Room-Temperature Ferromagnetic Order
  • 2024
  • In: Nano Letters. - 1530-6984. ; 24:20, s. 5984-5992
  • Journal article (peer-reviewed)abstract
    • Addressing the need for modulated spin configurations is crucial, as they serve as the foundational building blocks for next-generation spintronics, particularly in atomically thin structures and at room temperature. In this work, we realize intrinsic ferromagnetism in monolayer flakes and tunable ferro-/antiferromagnetism in (Fe0.56Co0.44)5GeTe2 antiferromagnets. Remarkably, the ferromagnetic ordering (≥1 L) and antiferromagnetic ordering (≥4 L) remain discernible up to room temperature. The TC (∼310 K) of the monolayer flakes sets a record high for known exfoliated monolayer van der Waals magnets. Within the framework of A-type antiferromagnetism, a notable odd-even layer-number effect at elevated temperatures (T = 150 K) is observed. Of particular interest is the strong ferromagnetic order in even-layer flakes at low temperatures. The intricate interplay among magnetic field strength, layer number, and temperature gives rise to a diverse array of phenomena, holding promise not only for new physics but also for practical applications.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Niu, Yuran (1)
Dreiser, Jan (1)
Wang, Jianlin (1)
Wang, Qing (1)
Hu, Tao (1)
Tian, Mingliang (1)
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Yan, Wensheng (1)
Duan, Hengli (1)
Liu, Jiatu (1)
Lu, Longyu (1)
Zhu, Kejia (1)
Ma, Yupeng (1)
Shen, Shengchun (1)
Ekahana, Sandy Adhit ... (1)
Soh, Y. (1)
Wang, Guopeng (1)
Xiong, Yimin (1)
Hao, Ning (1)
Lu, Yalin (1)
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University
Lund University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2024 (1)

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