magnetooptical effects

Magneto-optic enhancement and magnetic properties in Fe antidot films with hexagonal symmetry
S.T. Papaioannou, V. Kapaklis, P. Patoka, M. Giersig, P. Fumagalli, A. Garcia-Martin, E. Ferreiro-Vila, G. Ctistis
Phys. Rev. B. 81 (2010)