Extraordinary tunability of high-frequency devices using Hf0.3Zr0.7O2 ferroelectric at very low applied voltages

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dc.check.date2018-03-07
dc.check.infoAccess to this article is restricted until 12 months after publication by the request of the publisher.en
dc.contributor.authorDragoman, Mircea
dc.contributor.authorAldrigo, Martino
dc.contributor.authorModreanu, Mircea
dc.contributor.authorDragoman, Daniela
dc.date.accessioned2017-05-09T13:27:49Z
dc.date.available2017-05-09T13:27:49Z
dc.date.issued2017-03-07
dc.date.updated2017-05-09T13:17:00Z
dc.description.abstractThis paper presents the applications of the Hf0.3Zr0.7O2 ferroelectric with a thickness of 10 nm for tuning high-frequency devices such as filters, phase shifters, and phased antenna arrays in the X band when the low bias voltages in the range −3 V–+3 V are applied. In this respect, we show that a bandpass filter shifts its central frequency located at 10 GHz with 3 GHz, a phase shifter produces a phase difference of about 60 degrees in the X band, while the antenna array formed by two patched antennas is steering its lobe with ±32° at 10 GHz. These results open the way for the tunability of high frequency devices for very low power applications, which represent one of the most challenging issues in applied physics.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationDragoman, M., Aldrigo, M., Modreanu, M. and Dragoman, D. (2017) 'Extraordinary tunability of high-frequency devices using Hf0.3Zr0.7O2 ferroelectric at very low applied voltages', Applied Physics Letters, 110(10), 103104. doi:10.1063/1.4978032en
dc.identifier.doi10.1063/1.4978032
dc.identifier.endpage103104-4en
dc.identifier.issn0003-6951
dc.identifier.issued10en
dc.identifier.journaltitleApplied Physics Lettersen
dc.identifier.startpage103104-1en
dc.identifier.urihttps://hdl.handle.net/10468/3933
dc.identifier.volume110en
dc.language.isoenen
dc.publisherAIP Publishingen
dc.rights© The Authors 2017. Published by AIP Publishing.en
dc.subjectAntenna phased arraysen
dc.subjectBand-pass filtersen
dc.subjectFerroelectric devicesen
dc.subjectFerroelectric materialsen
dc.subjectHafnium compoundsen
dc.subjectMicrostrip antenna arrays,en
dc.subjectPhase shiftersen
dc.subjectCapacitorsen
dc.subjectOptical phase shiftersen
dc.subjectInterdigital transducersen
dc.titleExtraordinary tunability of high-frequency devices using Hf0.3Zr0.7O2 ferroelectric at very low applied voltagesen
dc.typeArticle (peer-reviewed)en
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