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MICROSTRIP TRANSMISSION LINE LOADED BY SPLIT-RING RESONATORS TUNED BY FERROELECTRIC THIN FILM

By G. Houzet, X. Mélique, D. Lippens, L. Burgnies, G. Velu, and J.-C. Carru

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Abstract:
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).

Citation:
G. Houzet, X. Mélique, D. Lippens, L. Burgnies, G. Velu, and J.-C. Carru, "Microstrip Transmission Line Loaded by Split-Ring Resonators Tuned by Ferroelectric Thin Film," Progress In Electromagnetics Research C, Vol. 12, 225-236, 2010.
doi:10.2528/PIERC10012904

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