Structural Characteristics and Magnetic Properties of Al₂O₃ Matrix-Based Co-Cermet Nanogranular Films

Figure 3

(a) Surface SEM image of as-deposited Co-Al₂O₃ thin film with . (b) AFM image 20 μm × 20 μm for the surface of the as-deposited Co_0.27-Al₂O₃ film and (c) of the film after annealing at 250°C for 1 hour.

(a)

(b)

(c)