Abstract

The magneto-optic indicator film technique was used to image the magnetic domain structure in a Tb40Fe60/Fe50Co50 multilayer as either a stress or magnetic field was applied 90° to the material’s easy axis. These observations showed that the magnetization vectors rotated under application of the stress, and recovered upon removal of that stress, in general without domain wall motion. However, magnetization rotation under field application was observed to include wall motion, and the magnetic state was found to have been changed upon removal of the field contrary to expectations. In both cases, both inhomogeneous and homogeneous rotations were observed.

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