Behavior of Y-Based High-Critical-Temperature Superconductors in Modulated Rotating Magnetic Fields

SUMMARY We report changes in the degree of triaxial orientation as functions of the applied magnetic field and rotation rate for Y2Ba4Cu7Oy powder samples oriented in epoxy resin under modulated rotating magnetic fields (MRFs). Although the degrees of orientation were reduced as a result of a decrease in both the applied field and rotation rate, the mechanisms of the reduction of the degrees of orientation were found to be different. Optimization of the MRF conditions or quantification of triaxial magnetic anisotropy in a target substance is required for the production of triaxially oriented ceramics based on a colloidal process.