Electric-field-induced bandwidth tuning of ferromagnetic resonance frequency in FeGaB/SiO2/FeCoB/PMN-PT composites

被引：6
|
作者：
Luo, M. [1 ,2 ]
Zhou, P. H. [1 ,2 ]
Liu, Y. F. [1 ,2 ]
Wang, X. [1 ,2 ]
Xie, J. L. [1 ,2 ]
机构：
[1] Univ Elect Sci & Technol China, Natl Engn Res Ctr Electromagnet Radiat Control Ma, Chengdu 610054, Peoples R China
[2] Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China
来源：
MATERIALS LETTERS | 2017年 / 188卷
基金：
中国国家自然科学基金;
关键词：
Magnetoelectric effect; Multilayer structure; Tunable absorption bandwidth; Magneto-elastic anisotropy; Magnetic materials; MULTILAYER THIN-FILMS; PERMEABILITY; PEAKS;
D O I：
10.1016/j.matlet.2016.11.018
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
One of the challenge in electromagnetic shielding lies in-I-linable absorption bandwidth. In this work, we demonstrate that electric-field-induced magneto-elastic anisotropy in FeGaB/SiO2/FeCoB/PMN-PT (011) composites can be used to tune microwave absorption bandwidth in a stable manner at room temperature. The SiO2 as an interlayer results in different magneto-elastic anisotropic field in FeGaB and FeCoB monolayers, which makes it possible to move the ferromagnetic resonance frequencies (f(r)) in opposite directions. The distance between two peaks, f(r(FeCoB))-f(r(FeGaB)), is decreased from 1.5GHz to 0.5 GHz and ultimately mixed into one peak.
引用
收藏
页码：188 / 191
页数：4
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