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High-Frequency Magnetoresonance and Magnetoimpedance in Co/Cu Multilayers with Variable Interlayer Thickness |
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| Authors: | D. P. Belozorov V. N. Derkach S. V. Nedukh A. G. Ravlik S. T. Roschenko I. G. Shipkova S. I. Tarapov F. Yildiz |
| Affiliation: | (1) National Scientific Center “Kharkov Institute of Physics and Technology” NAS of Ukraine, 1 Akademicheskaya St., 61108 Kharkov, Ukraine;(2) Institute of Radiophysics and Electronics NAS of Ukraine, 12 Ac. Proskura St., 61085 Kharkov, Ukraine;(3) National Technical University “Kharkov Polytechnical Institute”, 21 Frunze St., 61002 Kharkov, Ukraine;(4) Kharkov National University of Radioelectronics, 14 Lenina Ave., 61166 Kharkov, Ukraine; |
| Abstract: | The paper is devoted to the investigation of high frequency magnetic features of multilayered metallic structures (Co/Cu) demonstrating the Giant Magnetic Resistance effect (GMR-effect) and Giant Magnetic Impedance effect (GMI-effect). Dynamic features have been investigated in dependence on the distance between magnetic Co-layers and analyzed in comparison with static magnetic features. Ferromagnetic resonance response as well as non-resonance magnetoimpedance at small applied static magnetic field have been studied. Experiments were carried out at room temperatures in frequency band 20-37GHz for the ferromagnetic resonance technique and in frequency band 30-140GHz for study the low field non-resonance magnetoimpedance effects. |
| Keywords: | high frequencies ferromagnetic resonance giant magnetoresistance/magnetoimpedance multilayered structures magnetization |
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