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|Title:||Barrier dependence of magnetoresistance enhancement in nano-oxide added spin valves||Authors:||Li, K.
|Issue Date:||15-May-2002||Citation:||Li, K., Wu, Y., Qiu, J., Chong, T. (2002-05-15). Barrier dependence of magnetoresistance enhancement in nano-oxide added spin valves. Journal of Applied Physics 91 (10 I) : 8563-8565. ScholarBank@NUS Repository. https://doi.org/10.1063/1.1447295||Abstract:||The effects of different types of nano-oxides on the properties of spin valves have been studied. The nano-oxides that have been investigated in this study include NiFe-O, Al-O, CoFe-O, Ta-O, and Cu-O. From the point of view of overall properties (magnetoresistance ratio, change of sheet resistance, exchange coupling field, and interlayer coupling field), CoFe-O turned out to be the most desirable oxide when being used as the bottom oxide for top spin valves. As a capping layer for bottom spin valves, however, it was found that Al-O is the best choice among those investigated. Under optimum conditions, IrMn-based dual spin valves with a magnetoresistance ratio up to 21.8% has been successfully fabricated by incorporating oxide layers in both pinned ferromagnetic layers.© 2002 American Institute of Physics.||Source Title:||Journal of Applied Physics||URI:||http://scholarbank.nus.edu.sg/handle/10635/55194||ISSN:||00218979||DOI:||10.1063/1.1447295|
|Appears in Collections:||Staff Publications|
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