High Frequency Characteristics of Synthetic Antiferromagnetic Coupling FeCoN Sandwich Films

High Frequency Characteristics of Synthetic Antiferromagnetic Coupling FeCoN Sandwich Films
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合成反铁磁耦合 FeCoN 三明治薄膜的高频特性

DOI:
10.1109/tmag.2011.2153184
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发表时间:
2011-09
影响因子:
2.1
通讯作者:
Wang, Ying
Wang, Ying
中科院分区:
工程技术4区
文献类型:
--
作者:
Liu, Xi;Wei, Fulin;Zhang, Wenhui;Zhang, Luran;Wei, Dan;Bai, Jianmin;Wang, Ying

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采用直流磁控溅射法制备了软磁FeCoN薄膜和FeCoN/Ru/FeCoN三明治结构薄膜。研究了具有FM/AFM/FM夹层结构的FeCoN薄膜的高频特性。FeCoN夹层膜的有效磁各向异性磁场(Hk)可以通过调节膜结构,如FM层和AFM层的厚度以及界面粗糙度来改变。因此,FeCoN夹层膜的铁磁共振频率(fr)可以在很宽的范围内调谐。单层FeCoN薄膜显示出最高的滚降频率约为2.7 GHz,但FeCoN夹层膜的滚降频率可以在3 GHz到8 GHz的很宽范围内进行调节。
The soft magnetic FeCoN thin films and FeCoN/Ru/FeCoN sandwich-structured films were prepared by using DC magnetron sputtering system. The high frequency characteristics of the FeCoN films with FM/AFM/FM sandwich structures had been investigated. The effective magnetic anisotropy field (Hk) of FeCoN sandwich films can be changed by adjusting the film structures, such as the thickness of the FM and AFM layers, and the roughness of the interface. Therefore, the ferromagnetic resonance frequency (fr) of the FeCoN sandwich films can be tuned over a very wide range. The single-layer FeCoN films show a highest roll-off frequency of about 2.7 GHz, but that of the FeCoN sandwich films can be tuned over a very wide range from 3 GHz to beyond 8 GHz.
DOI: 10.1007/s003390050567
发表时间: 1997-08
期刊: Applied Physics A
影响因子: --
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