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(a) Schematic energy band diagram for ZnTe:O and illustration of optical transitions and (b) room temperature PL spectra for ZnTe:N, ZnTe:NO, and ZnTe:O samples.
Time-resolved PL of ZnTe:NO at 700 nm.
Excitation-dependent TRPL of (a) ZnTe:O at 700 nm and (b) resulting carrier lifetime time constants.
Simulated effective carrier lifetime for electrons at the CB and IB for varying injection.
Doping concentration, TRPL measurement conditions for 550 and 700 nm emissions, and measured lifetimes of ZnTe:N, ZnTe:NO, and ZnTe:O samples.
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