Table 2 Bandgap and Adachi model fitting parameters of wurtzite InN, GaN and AlN.

From: Bandgap and refractive index estimates of InAlN and related nitrides across their full composition ranges

Material

Eg (eV)

a

b

InN

0.65

9.4 ± 0.5

5.0 ± 0.2

GaN

3.438

10.1 ± 0.3

2.67 ± 0.08

AlN

6.24a

17.6 ± 0.9

− 0.3 ± 0.2

  1. aApparent bandgap as explained in the text.
Back to article page