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Reconfigurable Circuits for Wireless Applications Using KTN Ferroelectrics

Abstract : This paper reports on a study of KTN-based ferroelectric devices. KTN compositions with 40 to 60% of Tantalum were investigated at microwave frequencies. Several basic circuits (coplanar waveguides, stub resonators and interdigital capacitors) were realized to inter-compare the performances of the different compositions. Maximum tuning factors of 25.8% for stubs and 39.5% for interdigital capacitors were got under a 60-kV/cm DC field with the KTa0.45Nb0.55O3 composition. The values of Commutation Quality Factors got for interdigital capacitors appeared to be slightly dependent on the composition.
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Contributor : Vincent Laur Connect in order to contact the contributor
Submitted on : Tuesday, May 18, 2010 - 4:13:50 PM
Last modification on : Friday, March 4, 2022 - 11:30:04 AM


  • HAL Id : hal-00484600, version 1


Vincent Laur, Arnaud Moussavou, Gérard Tanné, Paul Laurent, Valérie Bouquet, et al.. Reconfigurable Circuits for Wireless Applications Using KTN Ferroelectrics. European Microwave Conference, Oct 2007, Munich, Germany. pp.102-105. ⟨hal-00484600⟩



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