Effect of rare earth additions on magnetic properties of Fe82Nb2B14RE2 (REÂ =Â Y, Gd, Tb and Dy) amorphous alloys

► We studied magnetic properties of Fe82Nb2B14RE2 (RE=Y,Gd,Tb,Dy) amorphous alloys. ► In a comparison with Fe82Nb2B14Y2 alloy the rare earth editions cause an increase of the Curie temperature and a decrease of magnetic moment per magnetic atom. ► Doping of Tb and Dy lead to a strong decrease of magnetic permeability and a formation of low dimensional finger-print magnetic domains.