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Real-space imaging of magnetization reversal in deformed kagome artificial spin ices
2024-02-01
发表期刊PHYSICAL REVIEW B (IF:3.2[JCR-2023],3.3[5-Year])
ISSN2469-9950
EISSN2469-9969
卷号109期号:6
发表状态已发表
DOI10.1103/PhysRevB.109.064402
摘要

The structure symmetry in artificial spin ice systems plays important roles in the magnetization reversal process when subjected to an external magnetic field. We investigated the magnetization reversal processes with different field orientations in the deformed kagome spin ices with threefold symmetry broken using high-resolution Kerr microscopy. Distinct magnetization reversal processes were observed in the deformed kagome system when compared to those found in standard kagome structures. In addition to the previously documented Dirac-string-like and system-size avalanche-type reversals, we identified two unusual reversal behaviors: the armchairlike avalanche and the discrete magnetization reversal within a single bar. These behaviors can be elucidated through the modified energy hierarchy present in the deformed kagome spin ices. Furthermore, we observed that the magnetization reversal behaviors in deformed kagome ice can be manipulated by selecting different initial spin states. These findings contribute to a deeper comprehension of nonequilibrium critical point phenomena in artificial spin ice systems. © 2024 American Physical Society.

关键词Ice External magnetic field Field orientation Ice system Magnetization reversal Magnetization reversal process Real-space Reversal behavior Space Imaging Spin ice Structure symmetry
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收录类别EI ; SCI
语种英语
资助项目National Key Re- search and Development Program of China[2022YFA1403300] ; National Natural Science Founda- tion of China["11974079","12274083","12221004"] ; Shanghai Municipal Science and Tech- nology Major Project[2019SHZDZX01] ; Shanghai Municipal Science and Technology Basic Research Project["22JC1400200","23dz2260100"]
WOS研究方向Materials Science ; Physics
WOS类目Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS记录号WOS:001198525500001
出版者American Physical Society
EI入藏号20240615527256
EI主题词Magnetization reversal
EI分类号701.2 Magnetism: Basic Concepts and Phenomena
原始文献类型Journal article (JA)
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/349725
专题物质科学与技术学院
物质科学与技术学院_PI研究组_张石磊组
通讯作者Wu, Yizheng
作者单位
1.School of Physical Science and Technology, Shanghai Tech University, Shanghai; 200031, China
2.Department of Physics, State Key Laboratory of Surface Physics, Fudan University, Shanghai; 200433, China
3.Shanghai Research Center for Quantum Sciences, Shanghai; 201315, China
4.Shanghai Key Laboratory of Metasurfaces for Light Manipulation, Fudan University, Shanghai; 200433, China
第一作者单位物质科学与技术学院
第一作者的第一单位物质科学与技术学院
推荐引用方式
GB/T 7714
Shi, Dong,Chen, Haoran,Xu, Jia,et al. Real-space imaging of magnetization reversal in deformed kagome artificial spin ices[J]. PHYSICAL REVIEW B,2024,109(6).
APA Shi, Dong,Chen, Haoran,Xu, Jia,Zhang, Shilei,&Wu, Yizheng.(2024).Real-space imaging of magnetization reversal in deformed kagome artificial spin ices.PHYSICAL REVIEW B,109(6).
MLA Shi, Dong,et al."Real-space imaging of magnetization reversal in deformed kagome artificial spin ices".PHYSICAL REVIEW B 109.6(2024).
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