Optical Studies of Non-Magnetic Spacer in Thin Fe/Si Multilayers

W. Szuszkiewicza,∗, M. Jouanne, J.F. Morhange, M. Chernyshova, L. Kowalczyk, E. A Lusakowska, P. Wandziuk and T. Lucinski Institute of Physics, Polish Academy of Sciences al. Lotnikow 32/46, 02-668 Warsaw, Poland Institut des Nanosciences de Paris, Universite Pierre et Marie Curie Campus Boucicaut, 140, rue de Lourmel, 75015 Paris, France Institute of Molecular Physics, Polish Academy of Sciences Smoluchowskiego 17, 60-179 Poznan, Poland