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Title: IrMn as exchange-biasing material in systems with perpendicular magnetic anisotropy
Sponsor: Science Foundation Ireland
Author's Homepage:
Keywords: Physics
Issue Date: 2005
Publisher: American Institute of Physics
Citation: S. van Dijken, M. Besnier, J. Moritz J, and J.M.D. Coey, IrMn as exchange-biasing material in systems with perpendicular magnetic anisotropy, Journal of Applied Physics, 97, 10, 2005, 10K114
Series/Report no.: Journal of Applied Physics
Abstract: Contact between a Co/Pt multilayer and an IrMn film leads to perpendicular exchange bias. The exchange bias field does not depend on the degree of (111) film texture and for Co/Pt multilayers with IrMn at the bottom it can be enhanced by magnetic field annealing. The perpendicular exchange bias of the Co/Pt–IrMn system is limited by a misalignment between the Co spins and the film normal, which is due to a negative magnetic anisotropy contribution from the Co/IrMn interface (KSCo/IrMn = −0.09 mJ/m2). The insertion of a 3 Å thick Pt layer at the Co/IrMn interface maximizes the perpendicular exchange-bias field.
Description: PUBLISHED
Appears in Collections:Physics (Scholarly Publications)

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