Enhancement of ferromagnetic resonance in Al2O3-doped Co2FeAl Heusler alloy film prepared by oblique sputtering

doi:10.1088/1674-1056/23/10/106201

中国物理B ›› 2014, Vol. 23 ›› Issue (10): 106201-106201.doi: 10.1088/1674-1056/23/10/106201

• CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES • 上一篇下一篇

Enhancement of ferromagnetic resonance in Al₂O₃-doped Co₂FeAl Heusler alloy film prepared by oblique sputtering

李山东^{a b c}, 蔡志义^b, 徐洁^a, 曹晓琴^b, 杜洪磊^a, 薛倩^a, 高小洋^a, 谢施名^a

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 Microstructures, Nanjing University, Nanjing 210093, China

收稿日期:2013-12-21 修回日期:2014-05-29 出版日期:2014-10-15 发布日期:2014-10-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 11074040), the Key Project of Shandong Provincial Department of Science and Technology, China (Grant No. ZR2012FZ006), and the Fujian Provincial Science Foundation for Distinguished Young Scholars, China (Grant No. 2010J06001).

Enhancement of ferromagnetic resonance in Al₂O₃-doped Co₂FeAl Heusler alloy film prepared by oblique sputtering

Li Shan-Dong (李山东)^{a b c}, Cai Zhi-Yi (蔡志义)^b, Xu Jie (徐洁)^a, Cao Xiao-Qin (曹晓琴)^b, Du Hong-Lei (杜洪磊)^a, Xue Qian (薛倩)^a, Gao Xiao-Yang (高小洋)^a, Xie Shi-Ming (谢施名)^a

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 Microstructures, Nanjing University, Nanjing 210093, China

Received:2013-12-21 Revised:2014-05-29 Online:2014-10-15 Published:2014-10-15
Contact: Li Shan-Dong E-mail:lishd@qdu.edu.cn,_dylsd007@163.com
About author:62.25.Fg; 75.70.-I; 75.30.Gw; 71.55.Ak
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 11074040), the Key Project of Shandong Provincial Department of Science and Technology, China (Grant No. ZR2012FZ006), and the Fujian Provincial Science Foundation for Distinguished Young Scholars, China (Grant No. 2010J06001).

摘要/Abstract

摘要： Large and variable in-plane uniaxial magnetic anisotropy in a nanocrystalline (Co₂FeAl)_97.8(Al₂O₃)_2.2 soft magnetic thin film is obtained by an oblique sputtering method without being induced by magnetic field or post annealing. The in-plane uniaxial 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.

关键词: uniaxial magnetic anisotropy, oblique sputtering, ferromagnetic resonance, nanocrystalline thin films

Abstract: Large and variable in-plane uniaxial magnetic anisotropy in a nanocrystalline (Co₂FeAl)_97.8(Al₂O₃)_2.2 soft magnetic thin film is obtained by an oblique sputtering method without being induced by magnetic field or post annealing. The in-plane uniaxial 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.

Key words: uniaxial magnetic anisotropy, oblique sputtering, ferromagnetic resonance, nanocrystalline thin films

中图分类号: (High-frequency properties, responses to resonant or transient (time-dependent) fields)

62.25.Fg

75.70.-i (Magnetic properties of thin films, surfaces, and interfaces) 75.30.Gw (Magnetic anisotropy) 71.55.Ak (Metals, semimetals, and alloys)

李山东, 蔡志义, 徐洁, 曹晓琴, 杜洪磊, 薛倩, 高小洋, 谢施名. Enhancement of ferromagnetic resonance in Al₂O₃-doped Co₂FeAl Heusler alloy film prepared by oblique sputtering[J]. 中国物理B, 2014, 23(10): 106201-106201.

Li Shan-Dong (李山东), Cai Zhi-Yi (蔡志义), Xu Jie (徐洁), Cao Xiao-Qin (曹晓琴), Du Hong-Lei (杜洪磊), Xue Qian (薛倩), Gao Xiao-Yang (高小洋), Xie Shi-Ming (谢施名). Enhancement of ferromagnetic resonance in Al₂O₃-doped Co₂FeAl Heusler alloy film prepared by oblique sputtering[J]. Chin. Phys. B, 2014, 23(10): 106201-106201.

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Enhancement of ferromagnetic resonance in Al₂O₃-doped Co₂FeAl Heusler alloy film prepared by oblique sputtering

Enhancement of ferromagnetic resonance in Al₂O₃-doped Co₂FeAl Heusler alloy film prepared by oblique sputtering

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