Study of Bandwidth and Resonant Frequency of a Rectangular Superconducting Thin Film Patch Antenna at Temperatures near Tc

Authors

  • Abdelkrim Belhedri Electronics Department, Frères Mentouri University, 25000, Constantine, Algeria
  • Abderraouf Messai Electronics Department, Frères Mentouri University, 25000, Constantine, Algeria
  • Tayeb A. Denidni EMT INRS Montreal Canada
  • Boualem Mekimah Electronics Department, Frères Mentouri University, 25000, Constantine, Algeria

Keywords:

Bandwidth, critical temperature, film thickness, high temperature superconductor, patch thickness, resonant frequency, superconductor antennas

Abstract

Our work presents a study of High Temperature Superconductor (HTS) Yttrium Barium Copper Oxide YBaCuO rectangular thin film. It is considered to be etched on lanthanum aluminate (LaAlO3) substrate. Results are exhibited for different values of temperature and patch thickness. Validated and compared to those in literature, these results show direct proportionality between patch thickness and both of resonant frequency and bandwidth for temperatures relatively far from the critical temperature TC. When temperature becomes very close to TC, proportionality between resonant frequency and patch thickness is maintained; but it is inverted between bandwidth and patch thickness. Bandwidth is broadened at low values of thickness, but it decreases considerably when thickness increases.

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References

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Published

2019-12-01

How to Cite

[1]
Abdelkrim Belhedri, Abderraouf Messai, Tayeb A. Denidni, and Boualem Mekimah, “Study of Bandwidth and Resonant Frequency of a Rectangular Superconducting Thin Film Patch Antenna at Temperatures near Tc”, ACES Journal, vol. 34, no. 12, pp. 1871–1874, Dec. 2019.

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