Formation of stripe antiferromagnetic domains in a Ca-Mn-Ge garnet in a region of interference of orthogonally polarized light beams
Kharchenko N. F. , Bedarev V. A.
A stripe structure of time-reversed domains has been formed in an antiferromagnetic crystal lacking an anti-inversion center. Specifically, the structure was formed when a magnetic field was applied to a single-domain platelet of the garnet óÁÚíÐ20ÅÚ012 in the optical interference field formed by two coherent, orthogonally polarized light beams. The effect of the polarized light on the magnetization reversal of this antiferromagnetic Ca-Mn-Ge garnet is attributed to light-induced charge-transfer processes involving the magnetic ions of some magnetic sublattices or others of the crystal. The particular ions which are selected depend on the polarization of the light.