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Induced in-plane magnetic anisotropy in YIG films

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3 Author(s)
Vittoria, C. ; Naval Research Laboratory, Washington, D.C. ; Lessoff, H. ; Wilsey, N.D.

We have studied the symmetry properties of the in-plane induced magnetic anisotropy in {100} and {110} disks of single crystal YIG epitaxially grown on gadolinium gallium garnet (GGG) substrates. The ferromagnetic resonance (FMR) technique was used to determine the values of the cubic and induced magnetic anisotropies. The induced anisotropy is interpreted in terms of a magnetostrictive magnetic potential energy. We find that the effective field induced in the plane of the film is isotropic for {100} disks but for {110} disks the induced anisotropy is uniaxial within the plane.

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Magnetics, IEEE Transactions on  (Volume:8 ,  Issue: 3 )