Theory of periodic ferromagnetic multilayers

We investigate the statics and dynamics of periodic multilayers consisting of two ferromagnetic materials. Our theory is based on a general Ginzburg-Landau functional for inhomogeneous systems and the appropriate equations of motion. We compute the transition temperature of the composite material, t...

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Bibliographic Details
Published in:Physics letters. A 1987-04, Vol.121 (4), p.192-196
Main Authors: Fishman, F., Schwabl, F., Schwenk, D.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic properties and materials
Magnetic properties of surface, thin films and multilayers
Physics
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Summary:We investigate the statics and dynamics of periodic multilayers consisting of two ferromagnetic materials. Our theory is based on a general Ginzburg-Landau functional for inhomogeneous systems and the appropriate equations of motion. We compute the transition temperature of the composite material, the temperature dependence of the magnetization and the magnon dispersion relation. The statics apply also to other multilayer systems such as ferroelectrics.
ISSN:0375-9601
1873-2429
DOI:10.1016/0375-9601(87)90653-0