Peritectic solidification model for Y-system superconductive oxides

Abstract

A peritectic solidification growth model considering both solute diffusion in the liquid and interface kinetics is developed for the growth of YBa2Cu3O61x (123) superconductive oxide. The effect of interface kinetics on the growth rate and the rate control process is discussed using this model. The growth rate of the 123 crystal is evaluated as a function of the undercooling using the proper kinetic equation. The evaluated results by this model show good agreement with the experimental results. As a result of this evaluation, the growth of the 123 crystal is predicted to be limited by a mixed control process in general.