Bulk Spin-Wave Filtration at the Interface of Two Uniaxial Ferromagnetic Media
| Authors | Yu.I. Gorobets1, S.O. Reshetnyak2 |
| Affiliations | 1 Institute of Magnetism of NAS of Ukraine, 36-b, Vernadsky blv., 03142 Kyiv, Ukraine 2 Physical and Mathematical Department of the National Technical University of Ukraine "Kyiv Polytechnic Institute", 37 Peremohy av., 03057 Kyiv, Ukraine |
| Е-mail | s.reshetnyak@kpi.ua |
| Issue | Volume 4, Year 2012, Number 2 |
| Dates | Received 30 January 2012; revised manuscript received 24 April 2012; published online 07 May 2012 |
| Citation | Yu.I. Gorobets, S.O. Reshetnyak, J. Nano-Electron. Phys. 4 No 2, 02003 (2012) |
| DOI | |
| PACS Number(s) | 5.30.Ds, 75.50.Dd |
| Keywords | Spin wave, Filtration, Ferromagnetic medium, Magnetic field (7) , Anisotropy (3) . |
| Annotation | In this paper the dependencies are obtained of spin wave reflection coefficients on frequency and external magnetic field for ferromagnetic structure in the exchange mode, when the influence of magnetostatic part of energy is neglected as compared with exchange one. It is shown that ferrogarnet structure, having very small damping parameter, is good for high-quality filtration of spin waves because it gives large change of reflection coefficient in small intervals of frequencies and external magnetic fields. |
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