Vol. 12

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Microstrip Transmission Line Loaded by Split-Ring Resonators Tuned by Ferroelectric Thin Film

By Gregory Houzet, Xavier Mélique, Didier Lippens, Ludovic Burgnies, Gabriel Velu, and Jean-Claude Carru
Progress In Electromagnetics Research C, Vol. 12, 225-236, 2010


The resonance frequency of Split-Ring Resonators (SRRs) loading a microstrip transmission line was tuned by means of a Ba0.5Sr0.5TiO3 (BST) ferroelectric thin film. For a bias of 30 Volts, we obtained a band-stop response with a shift around 7% of the resonance to higher frequencies in Ku band. The originality of the device under test is (i) the utilisation of single C-shaped SRRs, (ii) the localisation via chemical etching of the BST film to voltage controlled interdigitated capacitances and (iii) the enhancement of the operating frequency (around 17 GHz).


Gregory Houzet, Xavier Mélique, Didier Lippens, Ludovic Burgnies, Gabriel Velu, and Jean-Claude Carru, "Microstrip Transmission Line Loaded by Split-Ring Resonators Tuned by Ferroelectric Thin Film," Progress In Electromagnetics Research C, Vol. 12, 225-236, 2010.


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