Abstract
Microwave slot and coplanar transmission lines formed on a surface of ferroelectric films grown on dielectric substrates are used for various microwave devices with electrically tunable amplitude and phase frequency characteristics. The electric field intensity, which is required for the effective modulation of dielectric permittivity of the ferroelectric film is varied between 10 and 15 V/micron. Therefore rather narrow gaps with width no more than 10 microns can provide necessary electric field at bias voltage no more than 100 V. In this case the attenuation of the electromagnetic slot mode is considerably increased, so the implementation of such devices has no a sense.
Original language | English |
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Pages (from-to) | 58-66 |
Number of pages | 9 |
Journal | Integrated Ferroelectrics |
Volume | 97 |
Issue number | 1 |
DOIs | |
Publication status | Published - 2008 |
Keywords
- Ferroelectric film
- Multislot transmission line
- Phase shifter
ASJC Scopus subject areas
- Control and Systems Engineering
- Electronic, Optical and Magnetic Materials
- Ceramics and Composites
- Condensed Matter Physics
- Electrical and Electronic Engineering
- Materials Chemistry