Comparison of high-temperature-superconductor and metal-based resonators

Comparison of high-temperature-superconductor and metal-based resonators
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高温超导体和金属基谐振器的比较

DOI：
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发表时间：
1991
期刊：
影响因子：
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通讯作者：
D. Hogue
D. Hogue
中科院分区：
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文献类型：
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作者：
M. Namordi;A. Mogro;L. G. Turner;D. Hogue

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被引文献

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在LaAlO/sub /上制作了一个工作频率为4.75 GHz的50 ω共面波导（CPW）谐振器。制备了两个版本：第一个版本使用1.9 μ m厚的金，第二个版本使用0.6 μ m厚的YBa/sub 2/Cu/sub 3/O/sub 7/。这些器件采用相同的封装，并在77 K下进行测试。发现高温超导体（HTS）谐振器的表面电阻R/sub s/比Au谐振器低约6 ~ 9倍。在45 K时，高温超导谐振器的R/sub /比77 K时又降低了4倍。介绍了高温超导谐振器的器件特性。>
A 50- Omega coplanar waveguide (CPW) resonator designed for a fundamental frequency of about 4.75 GHz was fabricated on LaAlO/sub 3/. Two versions were fabricated: the first using 1.9- mu m-thick gold and the second using 0.6- mu m-thick YBa/sub 2/Cu/sub 3/O/sub 7/. The devices were identically packaged and tested at 77 K. It was found that the high-temperature superconductor (HTS) resonator had a surface resistance, R/sub s/, about six to nine times lower than the Au one. At 45 K, the R/sub s/ of the HTS resonator decreases by another factor of 4 compared with its 77 K value. Device characteristics for the HTS resonator are presented. >