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Publication Citation: Multifunctional ferrimagnetic-ferroelectric thin films for microwave applications

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Author(s): Ranko R. Heindl; S. Witanachchi; P. Mukherjee; A. Heim; G. Matthews; S. Balachandran; S. Natarajan; T. Weller;
Title: Multifunctional ferrimagnetic-ferroelectric thin films for microwave applications
Published: June 20, 2007
Abstract: Ferrimagnetic and ferroelectric structures based on barium strontium titanate and barium hexaferrite are investigated for potential applications in tunable microwave devices. Thin film bilayers were grown on MgO and sapphire, and their underlying crystallographic, microstructural, and magnetic properties were analyzed and compared. Microcircuits were fabricated using optical lithography, and microwave properties and electrical tunability were measured in the range of 1-50 GHz. Overall, the studies demonstrate the possibility of realizing high quality multifunctional microwave materials that combine tunable magnetic and dielectric properties.
Citation: Applied Physics Letters
Volume: 90
Issue: 25
Pages: 3 pp.
Research Areas: Magnetics
PDF version: PDF Document Click here to retrieve PDF version of paper (446KB)