Magnetic Multilayers and Giant Magnetoresistance: by U. Hartmann (auth.), Professor Dr. Uwe Hartmann (eds.)
By U. Hartmann (auth.), Professor Dr. Uwe Hartmann (eds.)
Magneto-electronics is unquestionably the most swiftly increasing fields in uncomplicated learn and commercial program. Magnetic multilayers are the foremost units during this box; they enable the usage of special micromagnetic, magneto-optic, and magneto-electronic phenomena which can't be discovered at the foundation of traditional fabrics. This publication presents a close and well-balanced advent to either the underlying actual basics and the technological purposes when it comes to units which are simply getting into the marketplace or are of excessive business relevance for the close to destiny. specifically, the employment of magnetic multilayers in magneto-optical recording, in GMR and spin-valve units, and as configurations yielding a amazing nonlinear magneto-optical reaction is mentioned in a entire approach. This cutting-edge overview contains an intensive record of key references to unique paintings and hence makes the tremendous wisdom already accrued within the box obtainable to the reader.
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Additional resources for Magnetic Multilayers and Giant Magnetoresistance: Fundamentals and Industrial Applications
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To obtain a stable mag- 2 Progress in Magnetooptical Data Storage 41 netic configuration in the recording layer the coercivities must be Hc1 < Hr and Hc3 > Hr at the readout temperature. Exchange-coupled double layers with parallel coupling can be applied to achieve MSR by RAD (Fig. 20). The writing process again occurs by conventional thermomagnetic recording using a laser power appropriate for the small domain sizes. In an initialization process the readout layer is homogeneously magnetized by an initialization field H ini at first.