Abstract
Magnetic domain structure in epitaxial YIG films was investigated using Faraday effect and Bitter method. These experiments have shown complex structures of closure domains. The influence of in-plane magnetic fields and stresses on the magnetization position was measured. The observed variation was interpreted in the light of a simple theory involving anisotropy, magnetostriction and magnetostatic energies. A new determination of the induced stress was inferred from this study, X-ray experiments were also performed. Interfacial dislocations have been observed which are consistent with the rather small value found for the stress.
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