Table 1 Proportion of the integrated PL of different peaks of un-etched and etched InPBi specimens.
Integrated PL | LE Peak | ME Peak | HE Peak | NE Peak |
|---|---|---|---|---|
Un-etched × 0.5 | 45.58% | 28.81% | 25.61% | / |
Etch 220 nm | 23.67% | 30.50% | 45.83% | / |
Etch 320 nm | 19.50% | 25.37% | 55.13% | / |
Etch 380 nm | / | / | 46.96% | 53.04% |