Enhancement of room temperature-exchange biasing in specular spin valves

2019-09-11 21:04:36

The layer exchange bias NOL

责任者: Doi, Masaaki;Izumi, Masato;Endo, Hiroaki;Fuke, Hiromi Niu;Iwasaki, Hitoshi;Sahashi, Masashi 单位: Department of Electronic Engineering, Tohoku University, Sendai 980-8579, Japan 来源出处: IEEE Transactions on Magnetics,2005,41(10):2932-2934 摘要: The exchange bias properties of the Co1-xFex natural-oxidized nano-oxide layer (NOL) in the specular spin valve system are investigated. The exchange bias energy (Jex) increased with the Fe content of the CoFe NOL. This result suggests that the enhancement of the pinning field/energy at room temperature was induced by the inserted NOL into the pinned layer. The enhancement of both the magnetoresistance ratio and the exchange bias field was realized by increasing the Fe content in the Co 1-xFex NOL. © 2005 IEEE. 关键词: Valves (mechanical);Thermal effects;Cobalt compounds;Oxidation;Iron;Magnetic fields;Giant magnetoresistance;Light reflection;Exchange coupling;Nano-oxide layer (NOL);Specular reflection;Spin valves