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| Naji, M. |
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| Motta, Antonella |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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| Casati, R. |
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| Azam, Siraj |
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| Ali, M. A. |
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| Azevedo, Nuno Monteiro |
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Bertomeu, J.
in Cooperation with on an Cooperation-Score of 37%
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Publications (3/3 displayed)
- 2015Observation of room temperature photoluminescence from asymmetric CuGaO2/ Zno/ZnMgo multiple quantum well structurescitations
- 2014New strategies in laser processing of TCOs for light management improvement in thin-film silicon solar cells
- 2008Nanocrystalline silicon thin films on PEN substratescitations
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article
Observation of room temperature photoluminescence from asymmetric CuGaO2/ Zno/ZnMgo multiple quantum well structures
Abstract
<p>Asymmetric (CuGaO<sub>2</sub> /ZnO/ZnMgO) and symmetric (ZnMgO/ZnO/ZnMgO) multiple quantum well (MQW) structures were successfully fabricated using pulsed laser deposition (PLD) and their comparison were made. Efficient room temperature photoluminescent (PL) emission was observed from these MQWs and temperature dependent luminescence of asymmetric and symmetric MQWs can be explained using the existing theories. A systematic blue shift was observed in both MQWs with decrease in the confinement layer thickness which could be attributed to the quantum confinement effects. The PL emission from asymmetric and symmetric MQW structures were blue shifted compared to 150 nm thick ZnO thin film grown by PLD due to quantum confinement effects.</p>