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2D SPINTRONICS

The phase diagram of 2D antiferromagnets

Nature Nanotechnology volume 14, pages 1088–1089 (2019)Cite this article

The magnetic phase diagram of thin-layered antiferromagnets is revealed experimentally by investigating the tunnelling conductance as a function of magnetic field. A rich magnetic behaviour in CrCl3 is uncovered, from which relevant magnetic information is extracted that is not easily available with other approaches.

The recent discovery of the emerging family of two-dimensional (2D) magnetic van der Waals (vdW) heterostructures, such as CrI3, CrBr3, CrCl3, Cr2Ge2Te6, Fe3GeTe2, VS2 and VSe2 makes it possible to explore magnetic properties down to the two-dimensional limit1,2. It further enables the engineering of all-vdW ultra-compact spintronic devices and architectures by shuffling those magnetic layers with selected 2D materials (graphene, hBN, transition metal dichalcogenides and so on). Following the first report of unprecedented tunnelling magnetoresistance in vertical magnetic tunnel junctions3, considerable excitement and flourishing new findings are paving the way towards the fabrication of heterostructures with a potentially disruptive impact on next generation non-volatile memory technologies, such as spin-torques-driven magnetoresistive random-access memory4,5.

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Fig. 1: Magnetic state of CrCl3 as a function of applied in-plane magnetic field H.

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Authors and Affiliations

  1. Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain

    Sergio O. Valenzuela & Stephan Roche

  2. Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain

    Sergio O. Valenzuela & Stephan Roche

Authors
  1. Sergio O. Valenzuela
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  2. Stephan Roche
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Correspondence to Sergio O. Valenzuela or Stephan Roche.

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Valenzuela, S.O., Roche, S. The phase diagram of 2D antiferromagnets. Nat. Nanotechnol. 14, 1088–1089 (2019). https://doi.org/10.1038/s41565-019-0592-x

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