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  • Lu, LongyuAnhui university (author)

Tunable Magnetism in Atomically Thin Itinerant Antiferromagnet with Room-Temperature Ferromagnetic Order

  • Article/chapterEnglish2024

Publisher, publication year, extent ...

  • 2024
  • 9 s.

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  • LIBRIS-ID:oai:lup.lub.lu.se:0d4eb9f7-d81b-4992-a609-0f2aa119ee04
  • https://lup.lub.lu.se/record/0d4eb9f7-d81b-4992-a609-0f2aa119ee04URI
  • https://doi.org/10.1021/acs.nanolett.4c00472DOI

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  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • 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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  • Wang, QingUniversity of Science and Technology of China (author)
  • Duan, HengliPaul Scherrer Institute,University of Science and Technology of China (author)
  • Zhu, KejiaAnhui university (author)
  • Hu, TaoAnhui university (author)
  • Ma, YupengAnhui university (author)
  • Shen, ShengchunUniversity of Science and Technology of China (author)
  • Niu, YuranLund University,Lunds universitet,MAX IV, MAXPEEM,MAX IV, Imaging,MAX IV, Vetenskapsavdelning,MAX IV-laboratoriet,MAX IV, MAXPEEM,MAX IV, Imaging,MAX IV, Science division,MAX IV Laboratory(Swepub:lu)maxl-yun (author)
  • Liu, JiatuLund University,Lunds universitet,MAX IV, Diffraction and scattering,MAX IV, Vetenskapsavdelning,MAX IV-laboratoriet,MAX IV, Diffraction and scattering,MAX IV, Science division,MAX IV Laboratory(Swepub:lu)ji2528li (author)
  • Wang, JianlinUniversity of Science and Technology of China (author)
  • Ekahana, Sandy AdhitiaPaul Scherrer Institute (author)
  • Dreiser, JanPaul Scherrer Institute (author)
  • Soh, Y.Paul Scherrer Institute (author)
  • Yan, WenshengUniversity of Science and Technology of China (author)
  • Wang, GuopengAnhui university (author)
  • Xiong, YiminAnhui university (author)
  • Hao, NingUniversity of the Chinese Academy of Sciences (author)
  • Lu, YalinUniversity of Science and Technology of China (author)
  • Tian, MingliangAnhui university (author)
  • Anhui universityUniversity of Science and Technology of China (creator_code:org_t)

Related titles

  • In:Nano Letters24:20, s. 5984-59921530-6984

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