Growth and Characterization of M-Plane GaN Thin Films Grown on γ-LiAlO₂ (100) Substrates

Figure 6

Polar-dependence PL spectra of sample A (a), B (b), C (c), D (d), and E (e). The polarization angles were 90° (black), 60° (red), 30° (blue), and 0° (dark green), respectively.

(a)

(b)

(c)

(d)

(e)