Enhancement of ferromagnetic resonance in Al203-doped CozFeAI Heusler alloy film prepared by oblique sputtering

Large and variable in-plane uniaxial magnetic anisotropy in a nanocrystalline （Co2FeA1）97.8（Al2O3）2.2 soft magnetic thin film is obtained by an oblique sputtering method without being induced by magnetic field or post anneaiing. The in-plane uniaxiai magnetic anisotropy varies from 50 Oe to 180 Oe （...

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Published in中国物理B：英文版 no. 10; pp. 401 - 404
Main Author 李山东 蔡志义 徐洁 曹晓琴 杜洪磊 薛倩 高小洋 谢施名
Format Journal Article
LanguageEnglish
Published 2014
Subjects
Al2O3掺杂
合金膜
奥斯特
溅射法
磁各向异性
编写
软磁薄膜
铁磁谐振
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ISSN1674-1056
2058-3834

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Summary:Large and variable in-plane uniaxial magnetic anisotropy in a nanocrystalline （Co2FeA1）97.8（Al2O3）2.2 soft magnetic thin film is obtained by an oblique sputtering method without being induced by magnetic field or post anneaiing. The in-plane uniaxiai magnetic anisotropy varies from 50 Oe to 180 Oe （1 Oe=79.5775 A·m-1） by adjusting the sample＇s position. As a result, the ferromagnetic resonance frequency of the film increases from 1.9 GHz to 3.75 GHz.
Bibliography:11-5639/O4
uniaxial magnetic anisotropy, oblique sputtering, ferromagnetic resonance, nanocrystalline thinfilms
Li Shan-Dong, Cai Zhi-Yi, Xu Jie, Cao Xiao-Qin, Du Hong-Lei, Xue Qian, Gao Xiao-Yang, and Xie Shi-Ming（ a） College of Physics Science, Laboratory of Fiber Materials and Modern Textile, the Growing Base for State Key Laboratory, and Key Laboratory of Photonics Materials and Technology in Universities of Shandong, Qingdao University, Qingdao 266071, China b） College of Physics and Energy, Fujian Normal University, Fuzhou 350007, China C） National Laboratory of Solid State Microstrnctures, Nanjing University, Nanjing 210093, China
Large and variable in-plane uniaxial magnetic anisotropy in a nanocrystalline （Co2FeA1）97.8（Al2O3）2.2 soft magnetic thin film is obtained by an oblique sputtering method without being induced by magnetic field or post anneaiing. The in-plane uniaxiai magnetic anisotropy varies from 50 Oe to 180 Oe （1 Oe=79.5775 A·m-1） by adjusting the sample＇s position. As a result, the ferromagnetic resonance frequency of the film increases from 1.9 GHz to 3.75 GHz.
ISSN:1674-1056
2058-3834