Figure 6
Selected LEEM and XMCD-PEEM images of isotropic MnAs microstructures (disks and squares): (a) 12 μm disk LEEM image evidencing the recovery of good surface crystalline structure after the in-situ preparation and the lithography process. (b–k) Selected XMCD-XPEEM images for various microstructure sizes and shapes: (b) 12 μm. (c) and (d) 4.5 μm. (e) and (f) 3 μm. (g) and (h) 2.25 μm. (i) and (j) 1.5 μm. (h) 750 nm. The images show the evolution of the magnetic domain structure and the α/β phases repartition as function of microstructure size. The black/white regions correspond to α-phase ferromagnetic domains with opposite magnetic moment. The gray regions correspond to the paramagnetic β-phase.
