Tunable electromagnetic bandgap structures based on ferroelectric films
Paper in proceeding, 2003
This work reports on an experimental tunable electromagnetic bandgap array based on SrTiO3(STO) films grown on a Pt coated silicon substrate. The structure, that is a periodically loaded Coplanar Waveguide (CPW), has its first rejection band between 30 and 40 GHz. Without DC bias the center of the rejection band is at 35.5 GHz and the insertion loss is 38 dB. At applied 20 V DC bias the center frequency tunes and about 4% due to the change in dielectric constant of STO.
Equivalent circuits
Substrates
Strontium compounds
Waveguides
Platinum
Coating techniques
Computer simulation
Energy gap
Ferroelectric materials
Author
Dan Kuylenstierna
Department of Microelectronics and Nanoscience
Andrei Vorobiev
Department of Microelectronics and Nanoscience
G. Subramanyam
Spartak Gevorgian
Department of Microelectronics and Nanoscience
2003 IEEE International Antennas and Propagation Symposium and USNC/CNC/URSI North American Radio Science Meeting, Jun 22-27 2003
0272-4693 (ISSN)
Vol. 4 879-882Subject Categories
Electrical Engineering, Electronic Engineering, Information Engineering
DOI
10.1109/APS.2003.1220412