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hal.structure.identifierÉquipe MIcro et Nanosystèmes pour les Communications sans fil [LAAS-MINC]
dc.contributor.authorDE PAOLIS, Rosa
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorPAYAN, Sandrine
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMAGLIONE, Mario
hal.structure.identifierSTMicroelectronics
dc.contributor.authorGUEGAN, Guillaume
hal.structure.identifierÉquipe MIcro et Nanosystèmes pour les Communications sans fil [LAAS-MINC]
dc.contributor.authorCOCCETTI, Fabio
dc.date.issued2015-08
dc.identifier.issn0018-9480
dc.description.abstractEnBased on advanced industrial fabrication processes and on specialized design strategies, a new class of ferroelectric metal-insulator-metal (MIM) capacitors with high tunability and high quality factor ( Q-factor) is here presented. Modeled by means of lumped element equivalent circuits and experimentally validated up to 67 GHz, a maximum tunability of 81% (0-20-V bias), and a Q-factor improvement up to 30% (at 0 V) could be demonstrated at 1 GHz. These varactors have been exploited in the design of reconfigurable filters, with a center frequency at around 1 GHz that can be tuned up to 112%, and a figure of merit (FoM) per applied bias better than 31.5 dB-1 /kV. Owing to their promising features, these materials have been exploited to design small-size capacitors suitable for millimeter-wave frequencies. The results demonstrate tunabilities and FoMs superior to the state-of-the-art. Based on this, two 60-GHz tunable phase shifters are proposed. They represent the first example of such devices based on MIM (Ba,Sr)TiO3 (BST) capacitors. In terms of insertion loss, size, FoM, and FoM per bias they show a remarkable improvement with respect to the state-of-the-art of ferroelectric-based devices, thus proving that the BST represents a promising candidate to operate into the millimeter frequency band.
dc.description.sponsorshipSystèmes avancés à base de ST: nouvelles architectures RF - ANR-10-VERS-0012
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers
dc.title.enHigh-Tunability and High-<formula formulatype="inline"><tex Notation="TeX">$Q$</tex></formula>-Factor Integrated Ferroelectric Circuits up to Millimeter Waves
dc.typeArticle de revue
dc.identifier.doi10.1109/TMTT.2015.2441073
dc.subject.halChimie/Matériaux
bordeaux.journalIEEE Transactions on Microwave Theory and Techniques
bordeaux.page2570-2578
bordeaux.volume63
bordeaux.issue8
bordeaux.peerReviewedoui
hal.identifierhal-01199420
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01199420v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=IEEE%20Transactions%20on%20Microwave%20Theory%20and%20Techniques&amp;rft.date=2015-08&amp;rft.volume=63&amp;rft.issue=8&amp;rft.spage=2570-2578&amp;rft.epage=2570-2578&amp;rft.eissn=0018-9480&amp;rft.issn=0018-9480&amp;rft.au=DE%20PAOLIS,%20Rosa&amp;PAYAN,%20Sandrine&amp;MAGLIONE,%20Mario&amp;GUEGAN,%20Guillaume&amp;COCCETTI,%20Fabio&amp;rft.genre=article


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