Table 1 Density of threading defects in InAs on GaAs(111)A, Si(111), and GaSb(111)A [cm−2].

From: Strain relaxation in InAs heteroepitaxy on lattice-mismatched substrates

 

InAs/GaAs(111)A

InAs/Si(111)

InAs/GaSb(111)A

threading dislocation

2.7 × 109

7.5 × 109

1.7 × 109

stacking fault

3.0 × 109

5.1 × 109

1.9 × 109

stacking-fault tetrahedron

8.2 × 108

3.0 × 109

5.4 × 108