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Metal Organic Chemical Vapor Deposition Growth of GaN and GaMnN Multifunctional Nanostructures

  • Shalini Gupta (a1), Hun Kang (a2), Matthew Kane (a3), William E Fenwick (a4), Nola Li (a5), Martin Strassburg (a6), Ali Asghar (a7), Nikolaus Dietz (a8) and Ian T Ferguson (a9)...

Abstract

Quantum dots (QDs) have been shown to improve the efficiency and optical properties of opto- electronic devices compared to two dimensional quantum wells in the active region. The formation of self-assembled GaN nanostructures on aluminum nitride (AlN) grown on sapphire substrates by Metal Organic Chemical Vapor deposition (MOCVD) was explored. This paper reports on the effect of in-situ activation in nitrogen atmosphere on MOCVD grown GaN nanostructures. The effect of introducing manganese in these nanostructures was also studied. Optically active nanostructures were successfully obtained. A blue shift is observed in the photoluminescence data with a decrease in nanostructure size.

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