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|Title:||Synthetic antiferromagnet with Heusler alloy Co2 FeAl ferromagnetic layers||Authors:||Xu, X.G.
|Issue Date:||2009||Citation:||Xu, X.G., Zhang, D.L., Li, X.Q., Bao, J., Jiang, Y., Jalil, M.B.A. (2009). Synthetic antiferromagnet with Heusler alloy Co2 FeAl ferromagnetic layers. Journal of Applied Physics 106 (12) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3271352||Abstract:||Heusler alloy Co2FeAl was employed as ferromagnetic layers in Co2FeAl (3 nm)/Ru(x nm)/Co2FeAl (5 nm) synthetic antiferromagnet structures. The experimental results show that the structure with a Ru thickness of 0.45 nm is strongly antiferromagnetic coupled, which is maintained after annealing at 150 °C for 1 h. The structure has a very low saturation magnetization Ms of 425 emu/ cm3, a low switching field Hsw of 4.3 Oe, and a high saturation field H s of 5257 Oe at room temperature, which are favorable for application in ultrahigh density magnetic read heads or other magnetic memory devices. Crystal structure study testifies that the as-deposited Co2FeAl film is in the B2 phase. Therefore, Heusler alloys can be used to fabricate synthetic antiferromagnetic and it is possible to make "all-Heusler" spin valves or magnetic tunneling junctions with better magnetic switching properties and high magnetoresistance. © 2009 American Institute of Physics.||Source Title:||Journal of Applied Physics||URI:||http://scholarbank.nus.edu.sg/handle/10635/83143||ISSN:||00218979||DOI:||10.1063/1.3271352|
|Appears in Collections:||Staff Publications|
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