Magnetism Measurements of Two-Dimensional van der Waals Antiferromagnet CrPS4 Using Dynamic Cantilever Magnetometry

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外文摘要：Recent experimental and theoretical work has focused on two-dimensional van der Waals(2D vdW)mag-nets due to their potential applications in sensing and spintronics devises.In measurements of these emerging materials,conventional magnetometry often encounters challenges in characterizing the magnetic properties of small-sized vdW materials,especially for antiferromagnets with nearly compensated magnetic moments.Here,we investigate the magnetism of 2D antiferromagnet CrPS4 with a thickness of 8 nm by using dynamic cantilever magnetometry(DCM).Through a combination of DCM experiment and the calculation based on a Stoner-Wohlfarth-type model,we unravel the magnetization states in 2D CrPS4 antiferromagnet.In the case of H||c,a two-stage phase transition is observed.For H 上 c,a hump in the effective magnetic restoring force is noted,which implies the presence of spin reorientation as temperature increases.These results demonstrate the benefits of DCM for studying magnetism of 2D magnets.

作者：

李奇、甄伟立、王宁、史猛、余洋、潘森洋、邓淋、蔡佳强、王康、邹吕宽、曾中明、王钊胜、张警蕾

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作者单位：

Anhui Province Key Laboratory of Condensed Matter Physics at Extreme Conditions,High Magnetic Field Laboratory,HFIPS,Chinese Academy of Sciences,Hefei 230031,China

Science Island Branch of Graduate School,University of Science and Technology of China,Hefei 230026,China

School of Advanced Manufacturing Engineering,Hefei University,Hefei 230601,China

Suzhou Institute of Nano-tech and Nano-bionics,Chinese Academy of Sciences,Suzhou 215123,China

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基金：

National Key R&D Program of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaCAS Project for Young Scientists in Basic ResearchHFIPS Director's FundHFIPS Director's FundHFIPS Director's FundHFIPS Director's FudBasic Research Program of the Chinese Academy of Sciences Based on Major Scientific InfrastructuresHigh Magnetic Field Laboratory of Anhui Province

项目编号：

2022YFA16026021212241112474053YSBR-0842023BRYZJJ-GGZX-2022-03YZJJ202403-TSBJPY2021B05JZHKYPT-2021-08AHHM-FX-2020-02

出版年：

2024

DOI：

10.1088/0256-307X/41/10/107503

中国物理快报(英文版)

中国科学院物理研究所,中国物理学会

中国物理快报(英文版)

CSTPCDEI

影响因子：0.515

ISSN：0256-307X

年,卷(期)：2024.41(10)