Abstract

We studied the intralayer and interlayer electrodynamics of the superconducting Bi2Sr2CaCu2Oysingle crystals in the microwave and millimeter wave regions. The c-axis superfluid density fraction ρscshows a more rapid growth than ρsabjust below Tcand a weaker temperature dependence at low temperatures. These features suggest the anisotropic growth mechanism of ρs. The temperature dependence of σab1shows a large increase below Tcwith a broad peak around 20 K. However, to discuss the detailed behavior of σ1cor the anisotropy of conductivity σab1 / σc1in the superconducting state, much more careful measurement is required in the c-axis direction.

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