Time dependent magnetics of exchange biased spin valves

Different sweep field rates result in different pinning field and coercivity in the pinned layer of a spin valve. Annealed samples showed more profound time dependent magnetic properties as compared to the as-made films. The pinning field decreases with the sweep rate if the AFM layer is thinner tha...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2000-09, Vol.36 (5), p.3056-3058
Main Authors: Sining Mao, Zhijun Yang, Zheng Gao, Dehua Han, Pokhil, T.
Format: Article
Language:English
Subjects:
Annealing
Antiferromagnetic materials
Coercive force
Coercivity
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Frequency
Magnetic films
Magnetic heads
Magnetic properties
Magnetic properties and materials
Magnetic properties of monolayers and thin films
Magnetic properties of surface, thin films and multilayers
Magnetic recording
Magnetism
Physics
Pinning
Solvents
Spin valves
Testing
Thin films
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Description
Summary:Different sweep field rates result in different pinning field and coercivity in the pinned layer of a spin valve. Annealed samples showed more profound time dependent magnetic properties as compared to the as-made films. The pinning field decreases with the sweep rate if the AFM layer is thinner than a minimum thickness. The coercivity increases with the sweep rate and is also FM layer thickness dependent. The thin FM layer showed less effect than the thicker FM layer.
ISSN:0018-9464
1941-0069
DOI:10.1109/20.908677