Table 1 Lattice constants and elastic stiffness coefficients of GaN in an unstrained state.

From: Overgrowth and strain investigation of (11–20) non-polar GaN on patterned templates on sapphire

Lattice Parameters (Å)

Elastic Stiffness Constants (GPa)

a 0

c 0

m 0

c 11

c 12

c 13

c 33

3.1893

5.1851

2.7620

390

145

106

398