Title :
Ferroelectric films: nonlinear properties and applications in microwave devices
Author :
Kozyrev, A. ; Ivanov, A. ; Keis, V. ; Khazov, M. ; Osadchy, V. ; Samoilova, T. ; Soldatenkov, O. ; Pavlov, A. ; Koepf, G. ; Mueller, C. ; Galt, D. ; Rivkin, T.
Author_Institution :
St. Petersburg Electrotech. Univ., Russia
Abstract :
Small signal dielectric properties (/spl epsiv/, tan/spl delta/) of highly oriented ferroelectric SrTiO/sub 3/ and (Ba,Sr)TiO/sub 3/ films at 1 MHz, 3 GHz, 10 GHz, and 20 GHz were investigated. Microstrip resonator with tunable planar ferroelectric capacitor was the object of investigation for resonator response to elevated single tone microwave (MW) power (up to 100 W), to two-tone MW power (intermodulation distortion measurements) and to video pulse voltage. As a result, speed of resonator tuning and MW loss variation were measured. 1.9 GHz phase-shifter and 20 GHz tunable filter operating at T=300 K are presented.
Keywords :
barium compounds; ferroelectric capacitors; ferroelectric thin films; microstrip resonators; microwave phase shifters; strontium compounds; (BaSr)TiO/sub 3/; 1 MHz to 20 GHz; 300 K; SrTiO/sub 3/; ferroelectric thin films; loss variation; microstrip resonator; microwave devices; microwave phase shifters; nonlinear properties; resonator tuning; single tone microwave power; small signal dielectric properties; tunable filter; tunable planar ferroelectric capacitor; two-tone microwave power; video pulse voltage; Capacitors; Dielectrics; Distortion measurement; Ferroelectric films; Ferroelectric materials; Intermodulation distortion; Microstrip resonators; Microwave measurements; Power measurement; Pulse measurements;
Conference_Titel :
Microwave Symposium Digest, 1998 IEEE MTT-S International
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
0-7803-4471-5
DOI :
10.1109/MWSYM.1998.705157
