Enhanced uniaxial anisotropy in an artificial antiferromagnet (AAF) using thin TbCo seed layers

When increasing the uniaxial anisotropy in (one of) the ferromagnetic layers in an artificial antiferromagnet, an enhancement of the rigidity of the artificial antiferromagnet is achieved, which is of importance for angular sensors. A new concept, i.e. a controlled uniaxial anisotropy induced by a t...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2002-02, Vol.240 (1), p.392-394
Main Authors: Boeve, H., van den Berg, H.A.M., Mattheis, R., Michalke, W., Rupp, G., Wecker, J.
Format: Article
Language:English
Subjects:
Artificial antiferromagnet
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Giant magnetoresistance
Magnetic properties and materials
Magnetotransport phenomena, materials for magnetotransport
Physics
Spin valve
Uniaxial anisotropy
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Summary:When increasing the uniaxial anisotropy in (one of) the ferromagnetic layers in an artificial antiferromagnet, an enhancement of the rigidity of the artificial antiferromagnet is achieved, which is of importance for angular sensors. A new concept, i.e. a controlled uniaxial anisotropy induced by a thin TbCo seed, has been successfully implemented in a Co–Ru–Co artificial antiferromagnet, which serves as hard layer in spin-valve devices.
ISSN:0304-8853
DOI:10.1016/S0304-8853(01)00839-3