Abstract
Superconducting Bi2Sr2CaCu2Oy(BSCCO) and normal conducting Bi2Sr2CuOx(BSCO) thin films were multi-layered using a multi-target RF magnetron sputtering technique. The BSCO films exhibited a semiconductor-like transport property. X-ray diffraction measurements showed that the multi-layers are crystalline with c-axis oriented preferentially perpendicular to the substrate surface and exhibit satellite peaks originated from superlattice structures. Superconductive coupling was studied by varying layer thicknesses of each film. Magnetic field measurements were also done. The same behavior similar to that of YBCO/PrBCO multi-layers was observed in the change of Tc, the broadening of the transition, anisotropy and so on.
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