Physics – Condensed Matter – Materials Science
Scientific paper
2009-01-09
Physics
Condensed Matter
Materials Science
9 pages, 7 figures
Scientific paper
The ferromagnetic nano-structures are recently of great interest for modern investigations. A comparison of the experimental data and theoretical results shows that the use of the standard molecular field approximation is insufficient for the description of nano-structure properties. Therefore, we use the effective field approach in order to show the usefulness of the Valenta model generalized in this way. The agreement between experiment and theory is then excellent. The magnetization profiles and the calculated Curie temperatures are presented for the systems consisting of Ni and Co layers with different configuration of the surfaces and interfaces including terraces and wires. We have shown that the position in the system as well as the kind of neighbouring layers and their mutual interactions can determine the shape of magnetization profiles. The use of the Valenta model allows us to present all dependences in the layer resolved mode.
Busiakiewicz B.
Zasada I.
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