Specific features of unidirectional anisotropy in exchange-coupled DyCo/NiFe film structures |
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| Authors: | R. S. Iskhakov V. A. Seredkin S. V. Stolyar V. Yu. Yakovchuk G. I. Frolov G. V. Bondarenko L. A. Chekanova V. V. Polyakov |
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| Affiliation: | 1.Kirensky Institute of Physics, Siberian Division,Russian Academy of Sciences,Krasnoyarsk,Russia;2.Siberian State University,Krasnoyarsk,Russia |
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| Abstract: | The dependence of the unidirectional anisotropy in a DyCo/NiFe bilayer system on the thickness of the magnetically soft layer has been studied using dynamic and static techniques. The magnitude of the exchange interaction between layers evaluated using the ferromagnetic resonance method is two times that determined from an analysis of the hysteresis loops. It is established that this difference is related to features of the magnetic microstructure of the DyCo layer. |
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