Film Thickness Gradient-Induced Magnetic Anisotropy and Ferromagnetic Resonance in Fe56Co24B20 Amorphous Films Prepared by Pulse Laser Deposition

被引:3
作者
Wu, Chenchen [1 ]
Huang, Yao [1 ]
Cui, Yao [1 ]
Shen, Zukun [1 ]
Ma, Yu [1 ]
Xie, Shiming [1 ]
Du, Honglei [1 ]
Gao, Xiaoyang [1 ]
Li, Shandong [1 ]
机构
[1] Qingdao Univ, Key Lab Photon Mat & Technol, Lab Fiber Mat & Modern Text, Growing Base State Key Lab,Univ Shandong,Coll Phy, Qingdao 266071, Peoples R China
基金
中国国家自然科学基金;
关键词
High-frequency soft magnetic films; magnetic anisotropy; pulse laser deposition; thickness-gradient films; THIN-FILM; HIGH PERMEABILITY; FIELD;
D O I
10.1109/TMAG.2015.2437912
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Fe56Co24B20 amorphous films with a large thickness gradient were prepared by pulse laser deposition via moving the sample shutter. The film thickness is varied from 274 to 28.7 nm for a sample with 25 mm in length. The thickness gradient gives rise to a well-defined uniaxial magnetic anisotropy (UMA) with the hard-axis along the direction of thickness gradient. A gradually increased UMA field H-K was induced from 110 to 245 Oe along the thickness gradient direction by the interface stress. As a result, the ferromagnetic resonance frequencies f(FMR) increase from 3.79 to 5.76 GHz with the film thinning.
引用
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页数:3
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