Simulation study of synthetic antiferromagnetic biased spin valve heads by using semi-classical GMR theory

For amplitude asymmetry control and thermal stability control at higher areal density, synthetic spin valve is one of the key technologies. We developed a micromagnetics model for synthetic SV with semi-classical GMR theory and estimated optimum set of thicknesses of synthetic pinned layers. The rat...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1999-09, Vol.35 (5), p.2562-2564
Main Authors: Takagishi, M., Komaki, K., Hikami, F.
Format: Article
Language:English
Subjects:
Antiferromagnetic materials
Applied sciences
Electronics
Electrostatic discharge
Exact sciences and technology
Magnetic devices
Magnetic fields
Magnetic films
Magnetic heads
Magnetic thin film devices: magnetic heads (magnetoresistive, inductive, etc.)
domain-motion devices, etc
Magnetization
Micromagnetics
Scattering
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Spin valves
Torque
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Summary:For amplitude asymmetry control and thermal stability control at higher areal density, synthetic spin valve is one of the key technologies. We developed a micromagnetics model for synthetic SV with semi-classical GMR theory and estimated optimum set of thicknesses of synthetic pinned layers. The ratio of two pinned layer thicknesses is around 1.5/spl sim/1.8 for good asymmetry and high ESD resistance.
ISSN:0018-9464
1941-0069
DOI:10.1109/20.800891