Measurement of YBCO thin film surface resistance using coplanar line resonator techniques from 20 MHZ to 20 GHZ
In: The 2006 applied superconductivity conference, Seattle, WA, August 27-September 1, 2006. Part III of three partsIEEE transactions on applied superconductivity 17(2):3632-3639; Jg. 17 (2007) 2, S. 3632-3639
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Zugriff:
The surface resistances of YBCO thin films are measured over a wide and continuous frequency range from 20 MHz to 20 GHz, by characterizing more than 1000 harmonics of two 20 MHz high-temperature superconductor resonators. One resonator is based on the conventional coplanar waveguide (CPW) and the other based on the conductor-backed CPW (CBCPW). The quality factors and resonant frequencies are measured. The attenuation and group-delays of the coplanar lines are estimated and surface resistances of the superconductors are extracted using a transmission-line model. The wideband frequency-dependence of the surface resistance is investigated. The sources of experimental errors are analyzed. This paper also reports some temperature-dependent and power-dependent measurement results.
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Measurement of YBCO thin film surface resistance using coplanar line resonator techniques from 20 MHZ to 20 GHZ
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Autor/in / Beteiligte Person: | YI, WANG ; HIENG TIONG, SU ; HUANG, Frederick ; LANCASTER, Michael J |
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Quelle: | The 2006 applied superconductivity conference, Seattle, WA, August 27-September 1, 2006. Part III of three partsIEEE transactions on applied superconductivity 17(2):3632-3639; Jg. 17 (2007) 2, S. 3632-3639 |
Veröffentlichung: | New York, NY: Institute of Electrical and Electronics Engineers, 2007 |
Medientyp: | Konferenz |
Umfang: | print, 29 ref 3 |
ISSN: | 1051-8223 (print) |
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