Influence of annealing on luminescence and energy transfer in ZnO multilayer structure co-doped with Tb and Eu

Thin Solid Films(2019)

Cited 3|Views53
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Abstract
•The annealing improves film structure and induces segregation of rare-earth ions.•RTA at 500°C enhances Eu3+ emission caused by energy transfer from Tb3+ to Eu3+ ions.•Spatial localization of rare-earth ions in different crystalline phases is revealed.
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Key words
ZnO films,Rare-earth ions,Luminescence,Energy transfer
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