Ge Nanoislands Grown by Radio Frequency Magnetron Sputtering: Comprehensive Investigation of Surface Morphology and Optical Properties

Figure 3

3D AFM images of samples D₃₀₀ (a), D₄₂₀ (b), D₅₄₀ (c), and D₆₆₀ (d). The inset shows the width distribution, shape, and height of islands.

(a)

(b)

(c)

(d)