Magnetic Properties and Microstructure of FeO_x/Fe/FePt and FeO_x/FePt Films

Figure 4

In-plane and out-of-plane magnetic hysteresis loops of FeO_x(P)/Fe/FePt trilayer further annealed at 500°C with 𝑃 = (a) 1%, (b) 3%, and (c) 7% and 800°C with 𝑃 = (d) 1%, (e) 3%, and (f) 7%.

(a)

(b)

(c)

(d)

(e)

(f)