Ferromagnetic resonance in a system of magnetic films with different Curie temperatures |
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| Authors: | E V Skorokhodov E S Demidov S N Vdovichev A A Fraerman |
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| Institution: | 1.Institute of Physics of Microstructures,Russian Academy of Sciences,Nizhny Novgorod,Russia;2.Lobachevsky State University of Nizhny Novgorod,Nizhny Novgorod,Russia |
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| Abstract: | The peculiarities of absorption of rf electromagnetic radiation (ferromagnetic resonance) in multilayer NiFe/Ni0.65Cu0.35(d)/CoFe structures in a wide temperature range are analyzed. It is shown that the type of interaction of the NiFe and CoFe ferromagnetic films via a “weak” ferromagnetic Ni0.65Cu0.35 interlayer changes from antiferromagnetic to ferromagnetic upon cooling and a decrease in interlayer thickness d. The detected temperature dependence of the interlayer interaction indicates the possibility of observation of a strong magnetocaloric effect in the structures under investigation. |
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