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

Figure 3

In-plane and out-of-plane magnetic hysteresis loops of (a) FePt single layer, (b) Fe(6 nm)/FePt bilayer, and FeO_x(P)/Fe/FePt films with different oxygen flow rationes; 𝑃 = (c) 0.5%, (d) 1%, (e) 3%, and (f) 7%.

(a)

(b)

(c)

(d)

(e)

(f)