Abstract
A thick 2212 layer with an uniform composition and a strong (100) preferred orientation has been synthesized by the reaction diffusion between a Sr-base oxide substrate and a Bi-base oxide coating layer. A Jc(4.2K) in the order of 106A/cm2 has been obtained. The Ag addition to the coating layer enhances the diffusion. The Ag is pushed out from the diffusion layer to the surface of the specimen forming a laminated structure composed of (100) oriented 2212 phase and Ag. The multilayered 2212 tape has been also prepared using the reaction diffusion in this study.
