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1 2007

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The influence of substrate and cap layer on magnetic characteristics of some multilayers

Staniucha I., Urbaniak-Kucharczyk A.

Materials Science Poland

2007

Vol. 25, No. 2

371--375

The influence of non-symmetrical boundary conditions, caused by different materials of the substrate and covering, on some properties of the systems consisting of magnetic layers separated by nonmagnetic spacer have been considered. Magnetic properties like spin wave patterns, FMR spectra, Curie temperature, magnetization and spin wave parameter B have been investigated for symmetrical and nonsymmetrical structures like: Cu(111)/(Fe/Cu)n/Fe/Cu/Si(111), vacuum/(Fe/Cu(111))n/Fe/vacuum, vacuum/( Fe/Cu)n/Si(111) and Cu/(Fe/Cu)n/Fe/GaAs, vacuum/(Fe/Cu)n/Fe/GaAs, where n is equal 1 or 2. Influence of roughness on selected characteristics of magnetic systems with non-symmetrical conditions on external surfaces has been also investigated.