Presentation 2000/10/20
Measurement of Surface Resistance of Large Area Superconducting Films
M Kusunoki, M Mukaida, S Ohshima, Lorenz M, Hochmuth H, Natusch D, Tahrigen T,
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Abstract(in English) Experimental errors in the measurement of surface resistance(R_s)of superconductor using the dielectric resonator are discussed. Thermal contract of the dielectric, loss tangent of the dielectric, and the amount of scatter of several measurements in the resonance frequency and the quality factor are investigated. The R_s values of the 3-inch YBa_2Cu_3O_y films are measured using 3 kind of sapphires that have different diameter(3.8, 5.8, 9.5 GHz). Scaled R_s to 10 GHz is almost the same in a film with uniform critical density(J.C). On the other hand, differen R_S values that correspond to the J_c distribution are observed in the film that has lack of uniformity in J_c.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) dielectric resonator / surface resistance / error / loss tangent / 3-inch YBa-2Cu_3O_y / critical current density
Paper # SCE2000-36
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Conference Information
Committee SCE
Conference Date 2000/10/20(1days)
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Registration To Superconductive Electronics (SCE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Measurement of Surface Resistance of Large Area Superconducting Films
Sub Title (in English)
Keyword(1) dielectric resonator
Keyword(2) surface resistance
Keyword(3) error
Keyword(4) loss tangent
Keyword(5) 3-inch YBa-2Cu_3O_y
Keyword(6) critical current density
1st Author's Name M Kusunoki
1st Author's Affiliation Department of Electrical Engineering, Yamagata University()
2nd Author's Name M Mukaida
2nd Author's Affiliation Department of Electrical Engineering, Yamagata University
3rd Author's Name S Ohshima
3rd Author's Affiliation Department of Electrical Engineering, Yamagata University
4th Author's Name Lorenz M
4th Author's Affiliation Universitaet Leipzig, Fakultaet fuer Physik und Geowissenschaften, Institut fuer Experimentelle Physik II
5th Author's Name Hochmuth H
5th Author's Affiliation Universitaet Leipzig, Fakultaet fuer Physik und Geowissenschaften, Institut fuer Experimentelle Physik II
6th Author's Name Natusch D
6th Author's Affiliation Universitaet Leipzig, Fakultaet fuer Physik und Geowissenschaften, Institut fuer Experimentelle Physik II
7th Author's Name Tahrigen T
7th Author's Affiliation Universitaet Leipzig, Fakultaet fuer Physik und Geowissenschaften, Institut fuer Experimentelle Physik II
Date 2000/10/20
Paper # SCE2000-36
Volume (vol) vol.100
Number (no) 399
Page pp.pp.-
#Pages 6
Date of Issue