Growth and microwave properties of layered ferrogarnet structures

Authors

  • S.I. Yushchuk National University ‘‘Lviv Polytechnic”, Department of Physics, Lviv, Ukraine
  • S.O. Yur`ev National University ‘‘Lviv Polytechnic”, Department of Physics, Lviv, Ukraine
  • V.V. Moklyak G. V. Kurdyumov Institute for Metal Physics of the National Academy of Sciences, Kyiv, Ukraine; Ivano-Frankivsk National Technical University of Oil and Gas, Ivano-Frankivsk, Ukraine

DOI:

https://doi.org/10.15330/pcss.24.4.656-661

Keywords:

layered ferrogarnet structures, ferromagnetic resonance, magnetostatic wave

Abstract

The ferrogarnet structures consisting from one- to three- layers of monocrystalline yttrium-iron garnet Y3Fe5O12 (YIG) films, two- layered YIG - La,Ga:YIG and two- layered {Y,Sm,Lu}3(Fe,Ga)5O12 -YIG  structures were grown by liquid-phase epitaxy (LPE) method on gadolinium - gallium garnet Gd3Ga5O12 (GGG) substrates of (111) orientation. The obtained layered ferrogarnet structures were studied by the methods of ferromagnetic resonance (FMR) and magnetostatic wave (MSW) interference. The two- and three- layered YIG structures have a wide FMR line width (∆H). For the three- layered YIG structures with the total thickness of 68-102 μm ∆H = 5,7- 11,5 Oe. The line width ∆H = 0,34 – 1,22 Oe correspond to the two- layered (Y,Sm,La)3(Fe,Ga)5O12 – YIG structures with thicknesses from 3 to 65 μm. Individual layers in all structures are characterized by similar or different saturation magnetizations (4πMs).The frequency MSW separation in the YIG - La,Ga:YIG layered structure was observed. It was shown that the propagation losses of MSW in one- and two- layered structures increase with decreasing wavelength of MSW and transition to a two- layered structure.

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Published

2023-12-11

How to Cite

Yushchuk, S., Yur`ev, S., & Moklyak, V. (2023). Growth and microwave properties of layered ferrogarnet structures. Physics and Chemistry of Solid State, 24(4), 656–661. https://doi.org/10.15330/pcss.24.4.656-661

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Scientific articles (Technology)

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