Quantifying spin mixing conductance in F/Pt (F =Ni, Fe, and Ni81Fe19) bilayer film

Quantifying spin mixing conductance in F/Pt (F =Ni, Fe, and Ni81Fe19) bilayer film
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DOI：
10.1088/1742-6596/266/1/012115
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发表时间：
2011
期刊：
Journal of Physics: Conference Series
影响因子：
--
通讯作者：
T. Yoshino;K. Ando;K. Harii;H. Nakayama;Y. Kajiwara;E. Saitoh
T. Yoshino;K. Ando;K. Harii;H. Nakayama;Y. Kajiwara;E. Saitoh
中科院分区：
其他
文献类型：
--
作者：
T. Yoshino;K. Ando;K. Harii;H. Nakayama;Y. Kajiwara;E. Saitoh

文献摘要

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基于自旋抽运模型，利用铁磁共振谱（FMR）的峰-峰线宽对F/Pt（F = Ni，Fe，Ni_（81）Fe_（19））双层膜的自旋混合电导进行了定量分析.当Pt层附着在F层上时，我们发现由于自旋抽运，FMR线宽得到了增强。实验结果表明，F/Pt（F = Ni，Fe，Ni_（81）Fe_（19））双层膜的自旋混合电导具有相同的数量级，表明这三种膜在自旋泵中的自旋注入效率几乎相同.
The spin-mixing conductances in F/Pt (F = Ni, Fe, and Ni81Fe19) bilayer films were quantified from the peak-to-peak linewidth of ferromagnetic resonance (FMR) spectra based on the model of the spin pumping. When the Pt layer is attached to the F layer, we found the enhancement of the FMR linewidth due to the spin pumping. The experimental results show that the spin-mixing conductances in F/Pt (F = Ni, Fe, and Ni81Fe19) bilayer films have the same order of magnitude, showing that spin injection efficiency in the spin pumping is almost identical in these films.