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Anisotropic linear and nonlinear charge-spin conversion in topological semimetal SrIrO3

文献类型：期刊论文

作者Lao, Bin2,6; Liu, Peitao3; Zheng, Xuan2,4,6; Lu, Zengxing2,6; Li, Sheng2,6; Zhao, Kenan2,6; Gong, Liguang2,6; Tang, Tao2,6; Wu, Keyi2,6; Shi, You-guo5
刊名PHYSICAL REVIEW B
出版日期2022-12-23
卷号106期号:22页码:9
ISSN号2469-9950
DOI10.1103/PhysRevB.106.L220409
通讯作者Wang, Zhiming(zhiming.wang@nimte.ac.cn)
英文摘要Over the past decade, utilizing spin currents in the linear response of electric field to manipulate magnetization states via spin-orbit torques (SOTs) is one of the core concepts for realizing a multitude of spintronic devices. Besides the linear regime, recently, nonlinear charge-spin conversion under the square of electric field has been recognized in a wide variety of materials with nontrivial spin textures, opening an emerging field of nonlinear spintronics. Here, we report the investigation of both linear and nonlinear charge-spin conversion in one single topological semimetal SrIrO3(110) thin film that hosts strong spin-orbit coupling and nontrivial spin textures in the momentum space. In the nonlinear regime, the observation of crystalline direction dependent response indicates the presence of anisotropic surface states induced spin-momentum locking near the Fermi level. Such anisotropic spin textures also give rise to spin currents in the linear response regime, which mainly contributes to the fieldlike SOT component. Our work demonstrates the power of combination of linear and nonlinear approaches in understanding and utilizing charge-spin conversion in topological materials.
资助项目National Key Research and Development Program of China[2019YFA0307800] ; National Key Research and Development Program of China[2017YFA0303600] ; National Natural Science Foundation of China[12174406] ; National Natural Science Foundation of China[11874367] ; National Natural Science Foundation of China[51931011] ; National Natural Science Foundation of China[52127803] ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences[ZDBS-LY-SLH008] ; Wong Education Foundation[GJTD-2020-11] ; 3315 Program of Ningbo ; Natural Science Foundation of the Zhejiang province of China[LR20A040001] ; Beijing National Laboratory for Condensed Matter Physics ; Shenyang National Research Center for Materials Science[E21SLA07]
WOS研究方向Materials Science ; Physics
语种英语
WOS记录号WOS:000909190700006
出版者AMER PHYSICAL SOC
资助机构National Key Research and Development Program of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Wong Education Foundation ; 3315 Program of Ningbo ; Natural Science Foundation of the Zhejiang province of China ; Beijing National Laboratory for Condensed Matter Physics ; Shenyang National Research Center for Materials Science
源URL[http://ir.imr.ac.cn/handle/321006/175388]  
专题金属研究所_中国科学院金属研究所
通讯作者Wang, Zhiming
作者单位1.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Zhejiang Prov Key Lab Magnet Mat & Applicat Techno, Ningbo 315201, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
4.Univ Nottingham Ningbo China, New Mat Inst, Ningbo 315100, Peoples R China
5.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
6.Ningbo Inst Mat Technol & Engn, Chinese Acad Sci, CAS Key Lab Magnet Mat & Devices, Ningbo 315201, Peoples R China
推荐引用方式
GB/T 7714		 Lao, Bin,Liu, Peitao,Zheng, Xuan,et al. Anisotropic linear and nonlinear charge-spin conversion in topological semimetal SrIrO3[J]. PHYSICAL REVIEW B,2022,106(22):9.
APA Lao, Bin.,Liu, Peitao.,Zheng, Xuan.,Lu, Zengxing.,Li, Sheng.,...&Wang, Zhiming.(2022).Anisotropic linear and nonlinear charge-spin conversion in topological semimetal SrIrO3.PHYSICAL REVIEW B,106(22),9.
MLA Lao, Bin,et al."Anisotropic linear and nonlinear charge-spin conversion in topological semimetal SrIrO3".PHYSICAL REVIEW B 106.22(2022):9.

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来源：金属研究所

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