Influence of layer thickness on Neel coupling energy of two-layer magnetic films |
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Authors: | Yu. F. Golovnev I. Ya. Ganzha M. K. Savchenko V. S. Cherkashin |
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Affiliation: | (1) Krasnoyarsk State Pedagogical Institute, USSR;(2) Institute of Physics, Siberian Division AS USSR, USSR |
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Abstract: | The torsional-vibration method is used to investigate the relationship between Neel-type magnetostatic coupling and the thickness of the dielectric interlayer in two-layer Co¦SiO¦FeNiCo magnetic films. A comparison is made with the Neel theory, and qualitative agreement is obtained for a layer 200 Å thick. The observed discrepancy between experimental and theoretical values for thin layers is explained by exchange interaction between magnetic layers. |
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