Spin-Orbit Torque Switching of Magnetization in Ultra-Thick Ferromagnetic Layers

doi:10.1002/adfm.202403107

IMR OpenIR

	Spin-Orbit Torque Switching of Magnetization in Ultra-Thick Ferromagnetic Layers
	Chen, Hongliang 1; Zhou, Guowei 2; Ji, Huihui 2; Qin, Qing 3; Shi, Shu 3; Shen, Qia 1; Yao, Pengyu 3; Cao, Yu 1; Chen, Jiaxin 1; Liu, Yanghui 4; Wang, Han 5; Lin, Weinan 6; Yang, Yumeng 4; Jia, Jinfeng 1,7; Xu, Xiaohong 2; Chen, Jingsheng 3; Liu, Liang 1,7
通讯作者	Xu, Xiaohong(xuxh@sxnu.edu.cn) ; Chen, Jingsheng(msecj@nus.edu.sg) ; Liu, Liang(liu21@sjtu.edu.cn)
	2024-05-25
发表期刊	ADVANCED FUNCTIONAL MATERIALS
ISSN	1616-301X
页码	9
摘要	Current-induced magnetization switching via spin-orbit torque (SOT) holds great potential for applications in high-speed and energy-efficient magnetic memory and logic devices. In the extensively studied heavy metal/ferromagnet (HM/FM) SOT heterostructures, the thickness of the FM layer is typically restricted to a few nanometers or less due to the rapid spin dephasing, making it challenging to implement thermally stable memory cells with high density. In this study, it is demonstrated that this thickness constraint can be significantly alleviated by utilizing an oxide ferromagnet La0.67Sr0.33MnO3 (LSMO). Through electrical transport and magnetic optical measurements, it is found that the SOT can switch the magnetization in Pt/LSMO heterostructures even at an LSMO thickness of 35 nm, which is one order of magnitude larger than that for metallic FMs, such as CoFeB. Furthermore, based on the FM thickness dependence of the switching current and the domain switching type revealed by magnetic optical Kerr effect imaging (MOKE), a possible picture is proposed to describe the SOT switching in Pt/LSMO, which highlights the critical role of the domain wall propagation in the vertical direction. The work provides valuable insights into the behavior of SOT switching in ultra-thick FM films, offering new possibilities for their practical applications.
关键词	domain wall propagationLa(0.67)Sr(0.33)MnO(3) magnetization switching spin-orbit torque
资助者	Innovation Program for Quantum Science and Technology ; Shanghai Jiao Tong University ; Science and Technology Commission of Shanghai Muncipality ; Yangyang Development Fund ; Ministry of Science and Technology of China ; Singapore Ministry of Education ; National Natural Science Foundation of China
DOI	10.1002/adfm.202403107
收录类别	SCI
语种	英语
资助项目	Innovation Program for Quantum Science and Technology ; Shanghai Jiao Tong University ; Science and Technology Commission of Shanghai Muncipality[2019SHZDZX01] ; Yangyang Development Fund ; Ministry of Science and Technology of China[2019YFA0308600] ; Ministry of Science and Technology of China[2020YFA0309000] ; Singapore Ministry of Education[MOE-T2EP50121-0011] ; Singapore Ministry of Education[T2EP50223-0017] ; Singapore Ministry of Education[MOE Tier 1: 22-4888-A0001] ; National Natural Science Foundation of China[12174237] ; National Natural Science Foundation of China[52171183] ; [2021ZD0302500]
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目	Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS记录号	WOS:001230751300001
出版者	WILEY-V C H VERLAG GMBH
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/186377
专题	中国科学院金属研究所
通讯作者	Xu, Xiaohong; Chen, Jingsheng; Liu, Liang
作者单位	1.Shanghai Jiao Tong Univ, Sch Phys & Astron, Key Lab Artificial Struct & Quantum Control, Minist Educ,Tsung Dao Lee Inst, 800 Dongchuan Rd, Shanghai 200240, Peoples R China 2.Shanxi Normal Univ, Sch Chem & Mat Sci, Key Lab Magnet Mol & Magnet Informat Mat, Minist Educ, Taiyuan 041004, Peoples R China 3.Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117575, Singapore 4.ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai 201210, Peoples R China 5.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 6.Xiamen Univ, Jiujiang Res Inst, Dept Phys, Xiamen 361005, Peoples R China 7.Hefei Natl Lab, Hefei 230088, Peoples R China
推荐引用方式 GB/T 7714	Chen, Hongliang,Zhou, Guowei,Ji, Huihui,et al. Spin-Orbit Torque Switching of Magnetization in Ultra-Thick Ferromagnetic Layers[J]. ADVANCED FUNCTIONAL MATERIALS,2024:9.
APA	Chen, Hongliang.,Zhou, Guowei.,Ji, Huihui.,Qin, Qing.,Shi, Shu.,...&Liu, Liang.(2024).Spin-Orbit Torque Switching of Magnetization in Ultra-Thick Ferromagnetic Layers.ADVANCED FUNCTIONAL MATERIALS,9.
MLA	Chen, Hongliang,et al."Spin-Orbit Torque Switching of Magnetization in Ultra-Thick Ferromagnetic Layers".ADVANCED FUNCTIONAL MATERIALS (2024):9.