Role of TbFe on Perpendicular Magnetic Anisotropy and Giant Magnetoresistance Effect in [C

Role of TbFe on Perpendicular Magnetic Anisotropy and Giant Magnetoresistance Effect in

[Co/Ni]N-Based Spin Valves

Minghong Tang;Zongzhi Zhang;Yanyan Zhu;Bin Ma;Qinyuan Jin

【期刊名称】《安徽地质》 【年(卷),期】2014(006)004

【摘要】The exchange-coupled [Co/Ni]N/TbFe nano-magnetic films can display strong perpendicular magnetic anisotropy (PMA) which depends on the Tb:Fe component ratio, TbFe layer thickness and the repetition number N of [Co/Ni]N multilayer. Perpendicular spin valves in the nano thickness scale, consisting of a [Co/Ni]3 free and a [Co/Ni]5/TbFe reference multilayer, show high giant magnetoresistance (GMR) signal of 6.5%and a large switching field difference over 3 kOe. However, unexpected slanting of the free layer magnetization, accompanied by a reduced GMR ratio, was found to be caused by the presence of a thick Fe-rich or even a thin but Tb-rich TbFe layer. We attribute this phenomenon to the large magnetostriction effect of TbFe which probably induces strong stress acting on the free layer and hence reduces its interfacial PMA. 【总页数】6页(359-364) 【关键词】

【作者】Minghong Tang;Zongzhi Zhang;Yanyan Zhu;Bin Ma;Qinyuan Jin

【作者单位】Department of 0ptical Science and Engineering, Shanghai Ultra-Precision 0ptical Engineering Center, Fudan University, Shanghai 200433, People’s Republic of China;Department of 0ptical Science and Engineering, Shanghai Ultra-Precision 0ptical Engineering Center, Fudan University, Shanghai 200433, People’s Republic of China;Department of 0ptical Science and Engineering, Shanghai Ultra-Precision 0ptical Engineering Center, Fudan University, Shanghai 200433, People’s Republic of China;Department of 0ptical Science and Engineering, Shanghai Ultra-Precision 0ptical Engineering Center, Fudan University, Shanghai 200433, People’s Republic of China;State Key Laboratory of Precision Spectroscopy and Department of Physics, East China Normal University, Shanghai 200062, People’s Republic of China 【正文语种】英文 【中图分类】 【文献来源】

https://www.zhangqiaokeyan.com/academic-journal-cn_geology-anhui_thesis/0201251404277.html 【相关文献】

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