Magnetic Reversal of In-Plane Anisotropic Garnet Films: Orientational Phase Transition Isolines
Résumé
The results of experimental investigation of longitudinal hysteresis of epitaxial garnet films with "easy axis in plane" anisotropy using magnetooptical method are presented. The orientational phase transition isolines corresponding to change in magnetic reversal mechanisms at room (T=293 K) and near liquid nitrogen (T=90 K) temperatures are obtained by visual observation along easy axis of magnetization. It is shown that the regions of horizontal and sloped domains motion [1] are separated with certain interval of monodomain state that increases with increasing of transversal magnetizing. The threshold nature of sloped domains appearance is demonstrated.
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