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Title: Microwave surface impedance measurements on high-T-c superconductors
Authors: Jaekel, C ×
François, I
Kyas, G
Huning, F
Roskos, HG
Borghs, Gustaaf
Kurz, H #
Issue Date: 1996
Publisher: Czechoslovak jnl of physics
Series Title: Czechoslovak journal of physics vol:46 pages:1117-1118
Abstract: We present measurements of the surface impedance of YBa2Cu3O7-delta and Bi2Sr2CaCu2O8+y thin films in the TIIz regime. Below T-c, peaks in the real part of the conductivity are observed in both materials, but differ in the temperature dependence. Investigations of Pr-doped YBCO reveal deviations from the T-linear behavior of the resistivity at characteristic temperatures that shift with the doping level and can be identified with the occurrence of a spin gap. The spin-gap temperature and T-c as a function of doping span a Nagaosa-Lee-type phase diagram in the underdoped regime.
URI: 
ISSN: 0011-4626
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physics and Astronomy - miscellaneous
× corresponding author
# (joint) last author

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