Table 1 PL peak energies and observed blueshift amounts at 30 K
Samples | PL peak energy (eV) | Blueshift (meV) | |||
---|---|---|---|---|---|
p-type | n-type | p-type | n-type | ||
Ga0.68In0.32As | As-grown | 1.180 | 1.172 | - | - |
Annealed (60 s) | 1.182 | 1.184 | 2 | 12 | |
Annealed (600 s) | 1.194 | 1.194 | 14 | 22 | |
Ga0.682In0.32 N0.009As0.991 | As-grown | 1.089 | 1.120 | - | - |
Annealed (60 s) | 1.118 | 1.129 | 29 | 9 | |
Annealed (600 s) | 1.146 | 1.137 | 57 | 17 | |
Ga0.68In0.32 N0.012As0.988 | As-grown | 1.033 | 1.076 | - | - |
Annealed (60 s) | 1.065 | 1.088 | 32 | 12 | |
Annealed (600 s) | 1.103 | 1.096 | 70 | 20 |