Effects of split gap on the microwave properties of YBCO microstrip ring resonator

H. K. Zeng*, Y. S. Gou, Jenh-Yih Juang, Kaung-Hsiung Wu, T. M. Uen

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations


Recently, we have succeeded in fabricating HTS ring resonators by using the double-side YBCO films deposited on LaAlO3 (LAO) substrates. Quality factor (Q) over 104 at 5 K with resonating frequency of 3.61 GHz has been demonstrated. Furthermore, by creating a narrow gap in the same ring structure, we found that the resonating frequency splits into two, one occurred at half and three halves of the original one (i.e. at 1.80 GHz and 5.33 GHz, respectively). The temperature dependence of the resonating frequency and Q-value were studied in detail. We found that although the resonating frequency changes by introducing the gap, the Q-value remains essentially unchanged.

Original languageEnglish
Pages (from-to)2665-2666
Number of pages2
JournalPhysica C: Superconductivity and its applications
Volume341-348 (IV)
StatePublished - Nov 2000
EventInternational Conference on Materials and Mechanisms of Superconductivity High Temperature Superconductors VI - Houston, TX, USA
Duration: 20 Feb 200025 Feb 2000

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