High Frequency Properties of High Temperature Superconducting YBa_2Cu_3O_<7-δ> Thin Films on LaAlO_3 Substrates Utilizing Line and Ring Resonators

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概要

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• Microwave properties of rf sputtered YBa_2Cu_3O_<7-δ> thin films deposited on LaAlO_3 substrates have been success-fully characterized utilizing line and ring resonator techniques. Microstrip resonator structures with fundamental resonance at 7.015 GHz and third harmonic resonance at 20.21 GHz were developed and investigated for measuring rf surface losses. Temperature and input power dependence of the surface resistance of these high T_c superconducting films was performed and discussed. The resonant frequency shift with temperatures was observed. The best surface resistance of high T_c superconducting ring resonator was 0.314 mΩ at 20.21 GHz and was 20 times lower than that of the gold resonator with identical structures.

• 社団法人応用物理学会の論文
• 1996-02-01

著者

• HONG Jin

  New Material Laboratory, Material and Device Research Center, Samsung Advanced Institute of Technolo

• Hong Jin

  New Materials Laboratory Materials And Devices Research Center Samsung Advanced Institute Of Technol

関連論文

• High-Temperature Superconducting Meander Line Resonators with YBa_2Cu_3O_ Films
• High Frequency Properties of High Temperature Superconducting YBa_2Cu_3O_ Thin Films on LaAlO_3 Substrates Utilizing Line and Ring Resonators

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