Microwave properties of yba2cu3ox films grown by liquid phase epitaxy

Sadahiko Miura, Jian Guo Wen, Katsumi Suzuki, Tadataka Morishita, Tsutomu Yoshitake, Genshiro Fujii, Shinji Suzuki

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Microstrip resonators and filters have been fabricated, using liquid phase epitaxally grown YBa,Cu3Ox films on MgO(lOO) substrates. A microstrip resonator at 10.8 GHz with a YBCO ground plane shows unloaded Q values of 14200 at 77 K and 23300 at 40 K. A microstrip four-pole band-pass filter, with a midband frequency of 10 GHz and a fractional bandwidth of 2% shows an insertion loss less than 0.2 dB and a return loss better than 15 dB at 77 K. The nonlinear behavior of this filter was studied by intermodulation distortion measurements. This filter shows relatively high power handling capabilities with a thirdorder intercept point of + 65 dBm at 77 K.

Original languageEnglish
Pages (from-to)1920-1923
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume9
Issue number2 PART 2
DOIs
Publication statusPublished - 1999 Dec 1
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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