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题名: Observation of thermal spin-transfer torque via ferromagnetic resonance in magnetic tunnel junctions
作者: Zhang, ZH; Bai, LH; Chen, XB; Guo, H; Fan, XL; Xue, DS(薛德胜); Houssameddine, D; Hu, CM
收录类别: SCIE
出版日期: 2016-08-11
刊名: PHYSICAL REVIEW B
卷号: 94, 期号:6
英文摘要: The thermal spin-transfer torque (TSTT) in magnetic tunneling junctions (MTJs) was systematically studied using electrical detection of ferromagnetic resonance (FMR). Evidence for the existence of TSTT in MTJs is observed. A temperature difference was applied across an MTJ acting as a TSTT on the free layer of the MTJ. The FMR of the free layer was then excited by a microwave current and electrically detected as a dc voltage. We found that the FMR line shape was changed by the TSTT, indicated by the ratio of dispersive and Lorentz components of the FMR spectra (D/L). D/L increases by increasing the temperature difference. In addition, we analyze the magnetization orientation dependence of TSTT and provide solid evidence that this dependence differs from the magnetization orientation dependence of spin-transfer torque driven by a dc bias.
作者部门: [Zhang, Zhaohui ; Bai, Lihui ; Hu, C. -M.] Univ Manitoba, Dept Phys & Astron, Winnipeg, MB R3T 2N2, Canada ; [Chen, Xiaobin ; Guo, Hong] McGill Univ, Ctr Phys Mat, Montreal, PQ H3A 2T8, Canada ; [Chen, Xiaobin ; Guo, Hong] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada ; [Fan, X. L. ; Xue, D. S.] Lanzhou Univ, Minist Educ, Key Lab Magnetism & Magnet Mat, Lanzhou 730000, Peoples R China ; [Houssameddine, D.] Everspin Technol, 1347 North Alma Sch Rd, Chandler, AZ 85224 USA ; [Houssameddine, D.] GLOBALFOUNDRIES, 60 Woodlands,Ind Pk D, Singapore 73840, Singapore
通讯作者: Zhang, ZH (reprint author), Univ Manitoba, Dept Phys & Astron, Winnipeg, MB R3T 2N2, Canada.
学科分类: Physics
文章类型: Article
所属项目编号: Natural Sciences and Engineering Research Council ; CFI ; URGP ; China Scholarship Council
所属项目名称: 国家留学基金委项目
项目资助者: CSC
语种: 英语
DOI: 10.1103/PhysRevB.94.064414
ISSN号: 2469-9950
WOS记录号: WOS:000381305900004
IR记录号: WOS:000381305900004
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/181663
Appears in Collections:物理科学与技术学院_期刊论文

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Recommended Citation:
Zhang, ZH,Bai, LH,Chen, XB,et al. Observation of thermal spin-transfer torque via ferromagnetic resonance in magnetic tunnel junctions[J]. PHYSICAL REVIEW B,2016,94(6).
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