Fig. 8: Characterization of FeGd sample.

a Magneto-optical Kerr-effect (MOKE) measurements in the polar geometry for the FeGd sample and b magnetic force microscopy image (right). The white scale bar in (b) corresponds to a length of 4 μm.

a Magneto-optical Kerr-effect (MOKE) measurements in the polar geometry for the FeGd sample and b magnetic force microscopy image (right). The white scale bar in (b) corresponds to a length of 4 μm.