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Narrow-Linewidth Yttrium Iron Garnet Films for Heterogeneous Integration

  • M. Levy (a1), R.M. Osgood (a1), F. J. Rachford (a2), A. Kumar (a3) and H. Bakhru (a3)...

Abstract

We report on the fabrication and characterization of single-crystal films of yttrium iron garnet (YIG) for heterogeneous integration onto growth-incompatible substrates. The process entails the implantation of energetic helium ions into the material, resulting in the formation of a fast etching sacrificial layer. Separation from the growth substrate is followed by an annealing step, yielding a ferromagnetic resonance (FMR) linewidth of 0.70 Oe from a virgin sample of linewidth 0.55 Oe. Magnetization measurements show a distinct softening of the in-plane response to an applied field.

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1 Levy, M., Osgood, R.M. Jr., Kumar, A., Bakhru, H., Appl. Phys. Lett. 71, 2617 (1997).10.1063/1.120192

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Narrow-Linewidth Yttrium Iron Garnet Films for Heterogeneous Integration

  • M. Levy (a1), R.M. Osgood (a1), F. J. Rachford (a2), A. Kumar (a3) and H. Bakhru (a3)...

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