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Title: Influence of nano-oxide layers on IrMn pinned bottom spin-valves at different positions
Authors: Qiu, J.J.
Li, K.B.
Luo, P.
Zheng, Y.K.
Wu, Y.H. 
Keywords: Exchange bias
Giant magnetoresistance
Interlayer coupling
Nano-oxide layer
Issue Date: May-2004
Citation: Qiu, J.J., Li, K.B., Luo, P., Zheng, Y.K., Wu, Y.H. (2004-05). Influence of nano-oxide layers on IrMn pinned bottom spin-valves at different positions. Journal of Magnetism and Magnetic Materials 272-276 (SUPPL. 1) : e1447-e1448. ScholarBank@NUS Repository.
Abstract: The influence of nano-oxide layer (NOL) inserted at different positions on interlayer coupling (Hin), coercivity of free layer (Hcf), exchange bias (Hex) and MR ratio of IrMn pinned bottom type spin-valves (SV) were studied. Weak antiferromagnetic interlayer coupling was observed in NOL-added SV. The NOL inside pinned layer and after free layer can enhance the MR ratio remarkably. MR of SV with a structure Ta3/NiFe2/IrMn6/ CoFe1/NOL/CoFe2.3/Cu2.2/CoFe2.3/AlO reached 18.2%. This is one of the best values ever reported for all-metal single spin-valves. © 2003 Published by Elsevier B.V.
Source Title: Journal of Magnetism and Magnetic Materials
ISSN: 03048853
DOI: 10.1016/j.jmmm.2003.12.731
Appears in Collections:Staff Publications

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