Spin-transfer-torque-induced ferromagnetic resonance for Fe/Cr/Fe layers with an antiferromagnetic coupling field

被引：12
|
作者：
Seki, Takeshi [1 ]
Tomita, Hiroyuki [1 ]
Tulapurkar, Ashwin A. [1 ]
Shiraishi, Masashi [1 ]
Shinjo, Teruya [1 ]
Suzuki, Yoshishige [1 ]
机构：
[1] Osaka Univ, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan
来源：
APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 21期
关键词：
antiferromagnetic materials; chromium; critical currents; current density; ferromagnetic materials; ferromagnetic resonance; iron; magnetic structure; magnetic thin films; magnetisation; metallic thin films; PHASE-LOCKING; FE LAYERS; DRIVEN; EXCITATION; DEVICES; CR;
D O I：
10.1063/1.3143625
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In order to understand the effect of spin-transfer-torque (STT) on artificial magnetic structures, STT-induced and magnetic field-induced ferromagnetic resonances (FMRs) were investigated for Fe/Cr/Fe layers with an antiferromagnetic coupling field. The magnetic field-induced FMR showed high resonant frequency at zero magnetic field owing to the antiferromagnetic coupling field. FMR modes characteristic of antiferromagnetic coupling were induced by STT. From the STT-FMR spectra, the critical current density for magnetization instability was estimated to be similar to 7x10(7) A/cm(2), suggesting the possibility that STT gives rise to the dynamic phase of magnetization in such artificial magnetic structures.
引用
收藏
页数：3
相关论文
共 50 条
  • [21] Anisotropy in Fe layers investigated by ferromagnetic resonance
    Pelzl, J
    Meckenstock, R
    Pflaum, J
    Kurowski, D
    PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES, 2000, 80 (02): : 235 - 246
  • [22] MAGNETIC-ANISOTROPY ENERGY OF ANTIFERROMAGNETIC COUPLED FE/CR/FE LAYERS
    WILLIAMS, CM
    KREBS, JJ
    PRINZ, GA
    CHAIKEN, A
    JOURNAL OF APPLIED PHYSICS, 1991, 69 (08) : 5321 - 5321
  • [23] Adiabatic spin-transfer-torque-induced domain wall creep in a magnetic metal
    DuttaGupta, S.
    Fukami, S.
    Zhang, C.
    Sato, H.
    Yamanouchi, M.
    Matsukura, F.
    Ohno, H.
    NATURE PHYSICS, 2016, 12 (04) : 333 - U167
  • [24] Spin-transfer torque induced domain wall ferromagnetic resonance in nanostrips
    Wang, Xi-guang
    Guo, Guang-hua
    Zhang, Guang-fu
    Nie, Yao-zhuang
    Xia, Qing-lin
    Li, Zhi-xiong
    JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2013, 332 : 56 - 60
  • [25] Magnetic Recording Assisted by Spin-Transfer-Torque-Induced Magnetization Reversal and Dynamics
    Chen, W.
    Tang, Z.
    Kaizu, A.
    Kawasaki, S.
    Roppongi, T.
    Wu, Y.
    Dovek, M. M.
    IEEE TRANSACTIONS ON MAGNETICS, 2022, 58 (04)
  • [26] Effects of radio-frequency current on spin-transfer-torque-induced dynamics
    Florez, S. H.
    Katine, J. A.
    Carey, M.
    Folks, L.
    Ozatay, O.
    Terris, B. D.
    PHYSICAL REVIEW B, 2008, 78 (18)
  • [27] Spin torque ferromagnetic resonance with magnetic field modulation
    Goncalves, A. M.
    Barsukov, I.
    Chen, Y. -J.
    Yang, L.
    Katine, J. A.
    Krivorotov, I. N.
    APPLIED PHYSICS LETTERS, 2013, 103 (17)
  • [28] Adiabatic spin-transfer-torque-induced domain wall creep in a magnetic metal
    DuttaGupta S.
    Fukami S.
    Zhang C.
    Sato H.
    Yamanouchi M.
    Matsukura F.
    Ohno H.
    Nature Physics, 2016, 12 (4) : 333 - 336
  • [29] Magnetic Recording Assisted by Spin-Transfer-Torque-Induced Magnetization Reversal and Dynamics
    Chen, Wenyu
    Tang, Zhenyao
    Kaizu, Akimasa
    Kawasaki, Shohei
    Roppongi, Tetsuya
    Wu, Yan
    Dovek, Moris M.
    32ND MAGNETIC RECORDING CONFERENCE (TMRC 2021), 2021,
  • [30] LAYERED MAGNETIC-STRUCTURES - EVIDENCE FOR ANTIFERROMAGNETIC COUPLING OF FE LAYERS ACROSS CR INTERLAYERS
    GRUNBERG, P
    SCHREIBER, R
    PANG, Y
    BRODSKY, MB
    SOWERS, H
    PHYSICAL REVIEW LETTERS, 1986, 57 (19) : 2442 - 2445
12345