About some properties of amorphous gadolinium-iron thin films

Amorphous thin foils of Fe-Gd alloys with very different compositions are prepared by vacuum evaporation. On well characterized specimens (structure, concentration, thickness, homogeneity), energy loss measurements have led to the determination of the electron excitation spectrum between 5 and 150 eV and Lorentz microscopy observations have been used to visualize the local magnetization distribution.