2005
DOI: 10.1109/tasc.2005.849399
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Accurate measurements of the intrinsic surface impedance of thin YBa/sub 2/Cu/sub 3/O/sub 7-/spl delta// films using a modified two-tone resonator method

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Cited by 22 publications
(24 citation statements)
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“…4, we show the versus temperature data for both YBCO-A0 and YBCO-A10, where the fitted values with 3 fitting parameters of , and are compared with the 1) and (2). For the fit, we used n / (T =T ) with p = 2 [13] in consideration of at low temperatures (see Fig. 3).…”
Section: Resultsmentioning
confidence: 99%
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“…4, we show the versus temperature data for both YBCO-A0 and YBCO-A10, where the fitted values with 3 fitting parameters of , and are compared with the 1) and (2). For the fit, we used n / (T =T ) with p = 2 [13] in consideration of at low temperatures (see Fig. 3).…”
Section: Resultsmentioning
confidence: 99%
“…The effective of the YBCO films was obtained at 8.5 GHz from the -mode rutile resonator , for which details are given elsewhere [13]. The intrinsic of the YBCO films was obtained from the and the separately measured intrinsic penetration depth at 19 GHz by using a sapphire resonator [14], which were used to get the complex conductivity of the YBCO films.…”
Section: Methodsmentioning
confidence: 99%
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“…With a very low loss dielectric, η tan δ ε can be neglected in (2) and (6) and R m can be derived, as a function of T , from (6) (otherwise, independent measurements of tan δ ε are required [20,26,27]). However, in general in ∆X s the contribution of the dielectric cannot be neglected, since ε ′ r changes appreciably with T .…”
Section: Methodsmentioning
confidence: 99%
“…The film thickness is one of the most important physical properties of any kind of superconductor films and has been taken into consideration by many researchers in light of the aimed physical properties and fields of applications [1,2]. For homogeneous superconductor films having certain values for the critical current density (J C ) and the intrinsic microwave surface resistance (R S ), the critical current (I C ) and the effective surface resistance (R S,eff ) are affected by the film thickness, with the I C being linearly proportional to the film thickness and R S,eff depending on the film thickness [3].…”
Section: Introductionmentioning
confidence: 99%