Study of Zn-associated levels in GaN

Abstract
The violet-blue emission band due to the incorporation of Zn in GaN has been studied and has been shown to possess a complex behaviour involving both donor-acceptor (D-A) pair and self-activated (S-A) pair properties. A Zn concentration dependence and temperature dependence of this emission has been shown. An attempt to present and analyse the transition process by a suitable model is reported.

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