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首页> 外文期刊>Applied Physics Letters >Thickness dependence of spin torque ferromagnetic resonance in Co_(75)Fe_(25)/Pt bilayer films
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Thickness dependence of spin torque ferromagnetic resonance in Co_(75)Fe_(25)/Pt bilayer films

机译：Co_（75）Fe_（25）/ Pt双层薄膜中自旋扭矩铁磁共振的厚度依赖性

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摘要

The spin Hall angle of Pt in Co_(75)Fe_(25)/Pt bilayer films was experimentally investigated by means of the spin-torque ferromagnetic resonance and the modulation of damping measurements. By comparing the present results with the Ni_(80)Fe_(20)/Pt system, we found that the ferromagnetic layer underneath the Pt one greatly affects the estimation of the spin Hall angle. We also discuss the spin diffusion length of Pt and the ferromagnetic thickness dependence of the Gilbert damping coefficient.
机译：通过自旋转矩铁磁共振和阻尼测量的调制，实验研究了Co_（75）Fe_（25）/ Pt双层薄膜中Pt的自旋霍尔角。通过将当前结果与Ni_（80）Fe_（20）/ Pt系统进行比较，我们发现Pt下方的铁磁层极大地影响了自旋霍尔角的估计。我们还讨论了Pt的自旋扩散长度和吉尔伯特阻尼系数对铁磁厚度的依赖性。

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  • 来源
    《Applied Physics Letters》 |2014年第7期|072405.1-072405.5|共5页
  • 作者

    A. Ganguly; K. Kondou; H. Sukegawa; S. Mitani; S. Kasai; Y. Niimi; Y. Otani; A. Barman;

  • 作者单位

    Thematic Unit of Excellence on Nanodevice Technology, Department of Condensed Matter Physics and Material Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sec Ⅲ, Salt Lake,Kolkata 700 098, India;

    RIKEN-CEMS, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan;

    National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0047, Japan;

    National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0047, Japan;

    RIKEN-CEMS, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan,National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0047, Japan;

    Institute for Solid State Physics, University of Tokyo, 5-1-5 Kashiwa-no-ha, Kashiwa, Chiba 277-8581, Japan;

    RIKEN-CEMS, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan,Institute for Solid State Physics, University of Tokyo, 5-1-5 Kashiwa-no-ha, Kashiwa, Chiba 277-8581, Japan;

    Thematic Unit of Excellence on Nanodevice Technology, Department of Condensed Matter Physics and Material Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sec Ⅲ, Salt Lake,Kolkata 700 098, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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