Easy Magnetization Axis of LPE Garnet Films Grown on Misoriented (111) GGG Substrates

概要

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It has been observed that the inclination angle of the easy magnetization axis is larger than that of the [111] axis in LPE bubble garnet films grown on GGG substrates slightly inclined from the (111) plane. This phenomenon was investigated in the light of Gyorgy's 2-parameter model. The relationship between the inclination of the easy magnetization axis and that of the [111] axis was explained by employing -1.8 and -0.9 as the 2-parameter ratios, A/B, for (Y, Eu)_3(Fe, Ga)_5O_<12> and (Er, Eu)3(Fe,Ga)_5O_<12> garnet films, respectively. The result suggests that the substrate surfaces of these garnets should be made up at least within ±0.25° and ±1.1° in reference to the (111) plane, depending on the magnitude of A/B for actual device works.
社団法人日本物理学会の論文
1975-09-15