Solid

Method in this work

Eg(eV) in this work

Eg(eV) Theoretical value [2]

Eg(eV) Theoretical value [1]

Expt. values [1]

Expt. values [2]

Gallium-Arsenide (GaAs)

LDA

0.37

0.49

0.67

1.63

1.52

Aluminium-Arsenide (AlAs)

LDA

1.42

2.01

1.37

2.32

3.09