Bulk defects induced coercivity modulation of Co thin film based on a Ta/Bi double buffer layer

Xiulan Xu,Guonan Feng,Wenlin Peng,Gang Han,Chen Yang,Yunlong Jia,Risi Guo,Xiaodong Xiong,Xin He,Junfeng Luo,Qiang Hu,Lang Hu,Chun Feng,Guanghua Yu

Journal of Magnetism and Magnetic Materials（2020）

引用 3|浏览14

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摘要

•Significant regulation on coercivity of Co film is researched by defect engineering.•Based on a Ta/Bi double buffer layer, coercivity is tuned with the Bi diffusion.•Increment of bulk defect intensity in film enhances pinning strength on domain wall.•Magnetic anisotropy enhancement leads to the coercivity increment simultaneously.

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关键词

Cobalt thin film,Coercive field,Microstructures,Defect

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