Ferromagnetic resonance in a system of magnetic films with different Curie temperatures


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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.

Sobre autores

E. Skorokhodov

Institute of Physics of Microstructures

Autor responsável pela correspondência
Email: evgeny@ipm.sci-nnov.ru
Rússia, Nizhny Novgorod, 603950

E. Demidov

Lobachevsky State University of Nizhny Novgorod

Email: evgeny@ipm.sci-nnov.ru
Rússia, Nizhny Novgorod, 603950

S. Vdovichev

Institute of Physics of Microstructures

Email: evgeny@ipm.sci-nnov.ru
Rússia, Nizhny Novgorod, 603950

A. Fraerman

Institute of Physics of Microstructures

Email: evgeny@ipm.sci-nnov.ru
Rússia, Nizhny Novgorod, 603950

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