Physical, Mechanical and Magnetic Properties of the Yb-Substituted BiSrCaCuO Textured Superconductor.

In this study, samples with nominal composition of BiSrCaCuYbO, where x=0.0, 0.05, 0.1 and 0.25, have been textured using the Laser Floating Zone technique. The effects of different Yb doping on the structure have been investigated by electrical resistivity, scanning electron microscopy, XRD, mechanical and dc-magnetization techniques. It has been found that with increasing Yb doping for Cu, the physical and superconducting properties of structure gradually decrease. J values, calculated using the Bean's model, significantly change, although T is approximately the same for all samples. [ABSTRACT FROM AUTHOR]