Spin Hall magnetoresistive detection of easy-plane magnetic order in the van der Waals antiferromagnet NiPS3

Kohki Sugi, Takuto Ishikawa, Motoi Kimata, Yoichi Shiota, Teruo Ono, Takeo Kato, and Takahiro Moriyama
Phys. Rev. B 108, 064434 – Published 31 August 2023
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Abstract

Magnetic van der Waals materials offer a physical paradigm for studying two-dimensional (2D) magnetic systems. 2D antiferromagnets (AFMs) are of great interest in the emerging field of AFM spintronics where interaction between local AFM moments and a spin current is fully utilized. Here, we report on spin Hall magnetoresistance (SMR) in the NiPS3/Pt system. The magnetic field and temperature dependence of the resistivity change unambiguously revealed the magnetic properties of NiPS3, such as the easy-plane anisotropy and the Néel temperature. As SMR is a manifestation of the magnetic moments interacting with the spin current that is an essential requirement in spintronics, our results open an avenue for 2D AFM spintronics.

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  • Received 10 May 2023
  • Accepted 16 August 2023

DOI:https://doi.org/10.1103/PhysRevB.108.064434

©2023 American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
AntiferromagnetismSpin Hall magnetoresistanceSpintronics
  1. Physical Systems
Van der Waals systems
Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Kohki Sugi1, Takuto Ishikawa2, Motoi Kimata3, Yoichi Shiota1,4, Teruo Ono1,4, Takeo Kato2, and Takahiro Moriyama5,6,*

  • 1Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
  • 2The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba 277-8581, Japan
  • 3Institute for Materials Research, Tohoku University, Sendai, Miyagi 980-8577, Japan
  • 4Center for Spintronics Research Network, Kyoto University, Uji, Kyoto 611-0011, Japan
  • 5Department of Materials Physics, Nagoya University, Nagoya, Aichi 464-8603, Japan
  • 6PRESTO, Japan Science and Technology Agency, Kawaguchi, Saitama 322-0012, Japan

  • *moriyama.takahiro.a4@f.mail.nagoya-u.ac.jp

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Issue

Vol. 108, Iss. 6 — 1 August 2023

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