Structural Dependent Ferromagnetic-Nonmagnetic Phase Change in FePtRu Films

Figure 4

Temperature dependence of magnetization ( curves) for the FePt_1−xRu_x films after annealing at 1173 K for 4 h with = (a) 0.20, (b) 0.40, (c) 0.60, and (e) 0.80, measured from 300 K to 30 K with a field of 1 kOe applied perpendicular to the film plane after saturating.