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Electromagnetic response of superconducting YBaCuO-Ag composite in the r.f. region

Authors
Journal
Solid State Communications
0038-1098
Publisher
Elsevier
Publication Date
Volume
79
Issue
11
Identifiers
DOI: 10.1016/0038-1098(91)90446-3
Disciplines
  • Physics

Abstract

Abstract The surface resistance and r.f. screening length of YBa 2Cu 3O 7−x-Ag 0.6 ceramic composite are measured at 1 MHz from 110 K to 77 K. The surface resistance exhibits a peak just below T c and then decreases sharply as T is lowered. Its temperature dependence can be described by the two-fluid model. The decrease of the screening length for T<T c also follows the two-fluid model's prediction but its value at T = 0 is found to be more than one order of magnitude higher than the reported London-penetration depth in YBaCuO superconductor.

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