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Miniaturized and reconfigurable notch antenna based on a BST ferroelectric thin film

Abstract : This work deals with the design, realization and characterization of a miniature and frequency agileantenna based on a ferroelectric Ba0,80Sr0,20TiO3 thinfilm. The notch antenna is loaded with a variablemetal/insulator/metal (MIM) capacitor and is achieved by a monolithic method. The MIM capacitance is3.7 pF, which results in a resonant frequency of 670 MHz compared to 2.25 GHz for the unloadedsimulated antenna; the resulting miniaturization rate is 70%. The characterization of the antennaprototype shows a frequency tunable rate of 14.5% under an electricfield of 375 kV/cm, with a tunabilityperformance h = 0.04.
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https://hal.archives-ouvertes.fr/hal-01119380
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Submitted on : Thursday, May 21, 2015 - 11:36:16 AM
Last modification on : Wednesday, April 27, 2022 - 3:55:27 AM
Long-term archiving on: : Thursday, April 20, 2017 - 2:50:20 AM

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Hung Viet Nguyen, Ratiba Benzerga, Caroline Borderon, Christophe Delaveaud, Ala Sharaiha, et al.. Miniaturized and reconfigurable notch antenna based on a BST ferroelectric thin film. Materials Research Bulletin, 2015, 67, pp.255-260. ⟨10.1016/j.materresbull.2015.02.034⟩. ⟨hal-01119380⟩

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