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Exchange bias field and coercivity of [NiFe/NiFeCuMo/NiFe]/FeMn multilayers
- Issue Date
- Jul-2013
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Conetic (NiFeCuMo) film; Multilayer film; Exchange bias field; Coercivity
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.62, no.12, pp 1954 - 1957
- Pages
- 4
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 62
- Number
- 12
- Start Page
- 1954
- End Page
- 1957
- ISSN
- 0374-4884
1976-8524
- Abstract
- The exchange bias field (H (EX) ) and the coercivity (H (C) ) of the intermediate, super-soft magnetic NiFeCuMo layer were investigated for different thicknesses of the bottom NiFe layer. The H (EX) of the triple-pinned NiFe (4 nm)/NiFeCuMo (t (NiFeCuMo) = 1 nm)/NiFe (4 nm)/FeMn multilayer has a maximum value of 77 Oe, which is more than that of a single-pinned NiFe (8 nm)/FeMn layer (42 Oe). A multilayer system with the NiFeCuMo layer inserted between the pinned and the free NiFe layers can be used as a giant magnetoresistive spin-valve device for biosensors with improved magnetic sensitivity.
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