Journal
JOURNAL OF APPLIED PHYSICS
Volume 118, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4926475
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Funding
- Government of Russia [14.Z50.31.0021]
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We describe synthesis of submicron Y3Fe5O12 (YIG) films sputtered on Si substrates and present results of the investigation of ferromagnetic resonance (FMR) and spin waves in YIG/SiO2/Si structures. It is found that decrease of the annealing time leads to essential reduction of the FMR linewidth Delta H and, consequently, to reduction of relaxation losses of spin waves. Spin-wave propagation in in-plane magnetized YIG/SiO2/Si structures is studied. We observe the asymmetry of amplitude-frequency characteristics of the Damon-Eshbach spin waves caused by different localizations of spin waves at the free YIG surface and at the YIG/SiO2 interface. Growth of the generating microwave power leads to spin-wave instability and changes amplitude-frequency characteristics of spin waves. (c) 2015 AIP Publishing LLC.
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