✦ LIBER ✦

Electrically tunable superconducting quasilumped element resonator using thin-film ferroelectrics

✍ Scribed by H. T. Su; M. J. Lancaster; F. Huang; F. Wellhofer

Publisher: John Wiley and Sons
Year: 2000
Tongue: English
Weight: 149 KB
Volume: 24
Category: Article
ISSN: 0895-2477
DOI: 10.1002/(sici)1098-2760(20000205)24:3<155::aid-mop3>3.0.co;2-u

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✦ Synopsis

We report on a tunable quasilumped element bandstop resonator using a high-temperature superconductor and a strontium barium titanate bilayer. The application of a bias ¨oltage produces a tuning of the stopband. Also, by comparing measured results with simulation, the dielectric permitti¨ity and loss tangent of strontium barium titanate ha¨e been extracted. At zero bias and 15 K, these are found to be about 430 and 0.019, respecti¨ely.