Tunable microwave devices based on bulk and thin film ferroelectrics
Journal article, 1998

Electrically tunable microwave resonators and filters based on bulk single crystal SrTiO3 and KTaO3 with superconducting plates are presented and discussed. Filters are designed for operation at frequencies 0.2 – 2.0 GHz. Thin film varactors and phase shifters, designed for cryogenic or room temperature operation and based on epitaxial SrTiO3 and BaSrTiO3 are also discussed. The frequency band for the thin film devices is 0.5 - 40 GHz.

dielectric hysteresis

ferroelectric microwave devices

microwave losses


Spartak Gevorgian

Department of Microelectronics and Nanoscience

Erik Carlsson

Department of Microwave Technology

E. Wikborg

Department of Physics

Integrated Ferroelectrics

1058-4587 (ISSN)

Vol. 22 1-4 245-257

Subject Categories

Physical Sciences

Condensed Matter Physics



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