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|Title:||Time resolved photoluminescence of cubic Mg doped GaN|
Electron energy levels
|Abstract:||Mg doped cubic GaN layers were studied by steady state and time resolved photoluminescence. The blue emission due to Mg doping can be decomposed in three bands. The decay curves and the spectral shift with time delays indicates donor-acceptor pair behaviour. This can be confirmed by excitation density dependent measurements. Furthermore temperature dependent analysis shows that the three emissions have one impurity in common. We propose that this is an acceptor level related to the Mg incorporation and the three deep donor levels are due to compensation effects.|
|Appears in Collections:||DFis - Comunicações|
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|1999 MRS Proc.pdf||versão pdf do editor||2.88 MB||Adobe PDF||View/Open|
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