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Magnetic resonance in multilayer Gd/Si/Co magnetic films |
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| Authors: | G S Patrin V O Vas’kovskii A V Svalov E V Eremin M A Panova V N Vasil’ev |
| Institution: | (1) Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russia;(2) Ural State University, pr. Lenina 51, Yekaterinburg, 620083, Russia;(3) Krasnoyarsk State University, pr. Svobodnyi 79, Krasnoyarsk, 660041, Russia |
| Abstract: | The magnetic properties of multilayer Gd/Si/Co magnetic films are experimentally studied by electron magnetic resonance and analyzed theoretically. The introduction of a semiconductor silicon interlayer is found to substantially affect the magnetic interlayer coupling and the magnetic dynamics of the system. The interlayer coupling is shown to be ferromagnetic for the (Gd/Si)n films and to be antiferromagnetic for the (Gd/Si/Co/Si)n films. The temperature dependences of the exchange parameters and the gyromagnetic ratios are determined. Possible mechanisms responsible for the formation of the interlayer coupling are discussed. |
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