Exchange anisotropy, interlayer exchange coupling and GMR in research and application

In order to achieve optimal performance with giant magnetoresistance (GMR) type sensors various phenomena in layered magnetic structures turn out to be useful and are topics of current research. This is the effect of exchange anisotropy, the interlayer exchange coupling and the GMR effect itself. Th...

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Bibliographic Details
Published in:Sensors and actuators. A, Physical Physical, 2001-06, Vol.91 (1), p.153-160
Main Author: Grünberg, P.A
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electronics
Exact sciences and technology
Exchange anisotropy
Giant magnetoresistance
GMR
Interlayer exchange coupling
Layered magnetic structures and superlattices
Magnetic field sensors
Magnetic properties and materials
Magnetoelectric, magnetostrictive, magnetoacoustic, magnetooptic and magnetothermal devices. Spintronics
Magnetotransport phenomena, materials for magnetotransport
Physics
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
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Summary:In order to achieve optimal performance with giant magnetoresistance (GMR) type sensors various phenomena in layered magnetic structures turn out to be useful and are topics of current research. This is the effect of exchange anisotropy, the interlayer exchange coupling and the GMR effect itself. This article gives an overview of the current status of research on these phenomena including also record values for the strengths of the effects. A discussion, how further improvements of sensors based on the present understanding can be obtained, will be given.
ISSN:0924-4247
1873-3069
DOI:10.1016/S0924-4247(01)00513-1