Asymmetric Magnetization Reversal in IrMn/CoFe/FeOX/CoFe Structures

Po-Ching Hsu; Chih-Huang Lai; Po-Hsiang Huang; Chih-Ta Shen; Yung-Hung Wang

doi:10.1109/TMAG.2006.878413

Asymmetric Magnetization Reversal in IrMn/CoFe/FeOX/CoFe Structures

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Asymmetric Magnetization Reversal in IrMn/CoFe/FeOX/CoFe Structures

Po-Ching Hsu, Chih-Huang Lai, Po-Hsiang Huang, Chih-Ta Shen 和 Yung-Hung Wang

IEEE Transactions on Magnetics, 卷.42(10), 頁碼.2978-2980

2006

DOI: https://doi.org/10.1109/TMAG.2006.878413

摘要

Asymmetry

biquadratic anisotropy

exchange bias

FeOX

magnetization reversal

nano-oxide layer (NOL)

Electronic

Optical and Magnetic Materials

Electrical and Electronic Engineering

We analyzed anisotropy in IrMn/CoFe/FeO _X /CoFe multilayers with angular remanence measurements. The results showed the coexistence of biquadratic and unidirectional anisotropies. A significantly asymmetric magnetization reversal had been observed. We studied the reversal mechanism by using vector coils and suggested that the switching in the decreasing branch comprised both coherent rotation and 90° domain wall motion; however, the switching in the increasing branch showed complicated multidomain rotation. © 2006, IEEE. All rights reserved.

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題名: Asymmetric Magnetization Reversal in IrMn/CoFe/FeOX/CoFe Structures
創作者：: Po-Ching Hsu (作者) - Department of Materials Science and Engineering , National Tsing Hua University
Chih-Huang Lai (作者) - Department of Materials Science and Engineering , National Tsing Hua University
Po-Hsiang Huang (作者) - National Tsing Hua University
Chih-Ta Shen (作者) - National Tsing Hua University
Yung-Hung Wang (作者) - Electronics Optoelectronics Research Laboratories , Industrial Technology Research Institute
學術資源類型: 期刊文章
出版日期: 2006
出版資訊: IEEE Transactions on Magnetics, 卷.42(10), 頁碼.2978-2980
語言: 英語

Asymmetric Magnetization Reversal in IrMn/CoFe/FeOX/CoFe Structures

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