Table 3 The band gap (eV) for (GaAs)m/(AlAs)n (m, n = 1 to 5) SLs obtained from DFT with scissor correction.

From: Effects of stacking periodicity on the electronic and optical properties of GaAs/AlAs superlattice: a first-principles study

 

(GaAs)m

m

1

2

3

4

5

n

(AlAs)n

1

2.04 (1.16a, 2.07b)

1.81

1.71

1.64

1.6

2

2.15

1.98 (1.09a)

1.84

1.75

1.69

3

2.14

2.02

1.9 (1.02a)

1.81

1.74

4

2.13

2.01

1.94

1.84

1.76

5

2.13

2

1.93

1.84

1.76

  1. aRef. 3.
  2. bRef. 8.