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Acceptor Doping of Barium Strontium Titanate and Magnesium Oxide Composites

Published

Author(s)

J. Synowczynski, G. Dewing, Richard G. Geyer, John H. Grosvenor Jr

Abstract

The microwave dielectric properties of bulk barium strontium titanate and magnesium oxide ceramic composites are measured with cylindrical mode-filtered cavity and dielectric sleeve resonator techniques. The cylindrical wall of the mode- filtered cavity consists of wire wound belical waveguide, which permits the use of high-purity TFo1n resonant modes for high accuracy permittivity measurements. Employing low loss dielectric sleeve resonators allows dielectric characterization of rod specimens at frequencies nominally determined by the permittivity and aspect ratio of the sleeve resonator. Both temperature and frequency dispersion are examined for differing stoichiometric percentages of barium to strontium and for various weight percentages of added magnesium oxide.
Citation
Ceramic Transactions
Volume
106

Keywords

barium strontium titanate, dielectric properties magnesium doping, microwave, permittivity, tunability

Citation

Synowczynski, J. , Dewing, G. , Geyer, R. and Grosvenor Jr, J. (2000), Acceptor Doping of Barium Strontium Titanate and Magnesium Oxide Composites, Ceramic Transactions (Accessed March 4, 2024)
Created December 31, 1999, Updated October 12, 2021