Angular tunable zero-field ferromagnetic resonance frequency in oblique sputtered CoFeBSm thin films

被引：20
作者：
Chai, Guozhi [1 ,2 ]
Phuoc, Nguyen N. [1 ]
Ong, Chong Kim [3 ]
机构：
[1] Natl Univ Singapore, Temasek Labs, Singapore 117411, Singapore
[2] Lanzhou Univ, Key Lab Magnetism & Magnet Mat, Minist Educ, Lanzhou 730000, Peoples R China
[3] Natl Univ Singapore, Ctr Superconducting & Magnet Mat, Dept Phys, Singapore 117542, Singapore
来源：
APPLIED PHYSICS EXPRESS | 2014年 / 7卷 / 06期
基金：
中国国家自然科学基金;
关键词：
ANISOTROPY;
D O I：
10.7567/APEX.7.063001
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We investigated the high-frequency magnetic properties of oblique-sputtered CoFeBSm thin films. We found that the zero-field ferromagnetic resonance frequency f(r) can be tuned from 3.8 to 6.4 GHz by rotating the samples within the plane. The angular tunable f(r) is tentatively explained with the competition of uniaxial anisotropy (arising from the oblique deposition) the rotatable anisotropy (originating from the rotatable stripe domain). These results may have great implications for tunable microwave magnetic devices. (C) 2014 The Japan Society of Applied Physics
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页数：4
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