This $390,001 Project Grant awarded by the National Science Foundation (NSF) Engineering program (CFDA 47.041) supports the development of novel synthesis techniques for thin film magnetic oxides. The purpose is to enable the fabrication of tunable high frequency devices, such as resonators and filters, for use in 4G/5G wireless communications and other high frequency systems.
The key technical objectives are to: 1) Grow yttrium iron garnet and nickel ferrite films on polycrystalline substrates with controlled strain to achieve a large built-in magnetic field, eliminating the need for external magnetic fields; and 2) Bond these magnetic oxide films to ferroelectric materials to create composite structures that can be voltage-tuned. This will allow the development of miniature, energy-efficient high frequency components with both magnetic and electric field tunability. The project is a collaborative effort between Oakland University and industry partners, and the research is expected to be completed by June 2027. No sub-awards are planned under this grant.
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