Abstract
The ferromagnetic resonance (FMR) of Bi-containing LPE garnet film on a GGG substrate has been investigated at frequencies of 0.4-1.2 GHz. FMR magnetooptical detection has been used to measure the magnetization precession amplitude. It was found that a strong interaction between precessing magnetization in the garnet film and longitudinal standing elastic waves in the film/substrate structure is possible only if external magnetic field is inclined on a small angle with respect to the film plate. Such elastic resonances lead to a fine structure of the FMR line. The dependence of the efficiency of this effect upon external magnetic field direction and magnetization orientation was studied experimentally and theoretically. >
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