Ferromagnetic resonance in epitaxial iron-garnet magnetically coupled layers

We present results of ferromagnetic resonance investigations of the double-layer magnetic films. The epitaxial structures examined are formed by a layer of doped garnet (YEuTmCa) 3(FeGe) 5O 12 with the easy axis along the surface normal and a sub-layer of pure yttrium-iron garnet Y 3Fe 5O 12 with ea...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 1992-07, Vol.113 (1), p.1-7
Main Authors: Ustinov, V.V., Kobelev, A.V., Perepelkina, M.V., Romanyukha, A.A.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic properties and materials
Magnetic properties of surface, thin films and multilayers
Physics
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Summary:We present results of ferromagnetic resonance investigations of the double-layer magnetic films. The epitaxial structures examined are formed by a layer of doped garnet (YEuTmCa) 3(FeGe) 5O 12 with the easy axis along the surface normal and a sub-layer of pure yttrium-iron garnet Y 3Fe 5O 12 with easy plane anisotropy. Peculiarities are revealed in the dependences of the FMR resonance fields and the line width on the angle between magnetic field and the surface plane. These features are due to the interlayer magnetic coupling. The temperature range is determined in which the coupling effects in high-frequency features of these films can be studied.
ISSN:0304-8853
DOI:10.1016/0304-8853(92)91239-P