Abstract
Abstract We report on the preparation and characterization of Bi2Sr2CaCu2O8+d (Bi2212) thin films. These films on SrTiO3 substrates were fabricated by the metal-organic decomposition method and annealing at a temperature between 810~850 °C. On the basis of the analysis for the fluctuation conductivity σ’ above Tc, we characterize properties of Bi2212 films by taking account of overall theoretical σ’ terms and momentum cutoff effects. In the analysis we estimate, as a function of Tc, the fluctuation parameters, among which anisotropy and depairing parameters are found to be correlated with Tc.
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