Stress and Grain Boundary Properties of GaN Films Prepared by Pulsed Laser Deposition Technique

Figure 4

(a) Plots of 𝑛 versus 𝜆, (b) plots of 𝑘 versus 𝜆, (c) plots of 𝜀₁ versus 𝜆, and (d) plots of 𝜀₂ versus 𝜆 of a representative GaN film.

(a)

(b)

(c)

(d)