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High-Temperature Superconductors by X Qiu

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2

Transport properties of high-Tc cuprate thin films as superconductive materials

J. Vanacken and V.V. Moshchalkov,     Leuven Catholic University, Belgium

Abstract:

In this chapter, the systematic evolution with doping of the normal state properties (resistivity and Hall effect) of the La2 − xSrxCuO4 thin film cuprates is analyzed. This analysis reveals convincing evidence in favor of the presence of the charge-rich 1D features (stripes), which eventually determine the 1D character of the transport properties at temperatures below the so-called ‘spin-gap’ temperature T*(x). Measurements of the fluctuation conductivity show how stripe coupling close to Tc recovers the 2D character of the Cu-O planes which is responsible for the 2D Aslamasov–Larkin ...

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