DataVXAdvanced MaterialsPaper
journal article·2025-05

Giant Non‐Saturating Exchange Striction in a Noncollinear Antiferromagnet

Xiaoning Wang, Wen‐Han Dong, Peixin Qin, Jie Liu, Dequan Jiang, Shuoyu Zhao, Zhiyuan Duan, Xiaorong Zhou, Hongyu Chen, Ziang Meng, Li Liu, Guojian Zhao, Zhengcai Xia, Huakun Zuo, Zengwei Zhu, Jingmin Wang, Yong Xu, Dazhuang Kang, Qinghua Zhang, Peizhe Tang, Chengbao Jiang, Zhiqi Liu

Advanced Materials· Volume 37· Issue 18
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Source abstract

Abstract

Abstract Magnetostriction, discovered by Joule in 1842, refers to the mechanical strain that a material undergoes in the presence of a magnetic field. Conventionally, it originates from the spin‐orbit coupling and has been predominantly explored in ferromagnets. In this work, a giant magnetostriction effect is reported in the high‐quality single crystal of a noncollinear antiferromagnet Mn3Sn. Non‐saturating magnetostriction exceeding 400 ppm is obtained, which is even larger than the saturation values of the well‐known Fe‐based giant magnetostriction ferromagnetic materials such as FeGa. Theoretical calculations reveal that the large non‐saturating magnetostriction results from a sophisticated exchange striction effect of the noncollinear antiferromagnetic spin structure, leading to a nearly linear dependence of the strain output on the applied magnetic field. This work provides an unprecedented strategy to design next‐generation magnetoelastic materials with noncollinear compensated spin structures.
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Research context

OpenAlex topics: Magnetic Properties and Applications · Multiferroics and related materials · Magnetic properties of thin films

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Materials Science and Engineering Beihang University Beijing 100191 China

State Key Laboratory of Low Dimensional Quantum Physics and Department of Physics Tsinghua University Beijing 100084 China

Wuhan National High Magnetic Field Center Huazhong University of Science and Technology Wuhan 430074 China

School of Physics Huazhong University of Science and Technology Wuhan 430074 China

RIKEN Center for Emergent Matter Science (CEMS) Wako 351‐0198 Japan

Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 China

Funding

National Natural Science Foundation of China · National Key Research and Development Program of China · China Postdoctoral Science Foundation · National Science Fund for Distinguished Young Scholars · Natural Science Foundation of Beijing Municipality · National Postdoctoral Program for Innovative Talents · Fundamental Research Funds for the Central Universities

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