Observation of room temperature photoluminescence from asymmetric CuGaO2/ZnO/ZnMgO multiple quantum well structures

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RECERCAT Home > Universitat de Barcelona > Física Aplicada > Articles publicats en revistes (Física Aplicada) > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2445/61843

dc.contributor	Universitat de Barcelona
dc.contributor.author	Aneesh, P. M.
dc.contributor.author	Jayaraj, M. K.
dc.contributor.author	Reshmi, R.
dc.contributor.author	Ajimsha R. S.
dc.contributor.author	Kukreja, L. M.
dc.contributor.author	Antony, Aldrin
dc.contributor.author	Rojas Tarazona, Fredy Enrique
dc.contributor.author	Bertomeu i Balagueró, Joan
dc.contributor.author	López Vidrier, Julià
dc.contributor.author	Hernández Márquez, Sergi
dc.date	2015-01-27T07:50:28Z
dc.date	2015-01-27T07:50:28Z
dc.date	2015-05-01
dc.date	2015-01-27T07:50:28Z
dc.identifier.citation	1533-4880
dc.identifier.citation	631221
dc.identifier.uri	http://hdl.handle.net/2445/61843
dc.format	7 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	American Scientific Publishers
dc.relation	Reproducció del document publicat a: http://dx.doi.org/10.1166/jnn.2015.9497
dc.relation	Journal of Nanoscience and Nanotechnology, 2015, vol. 15, num. 5, p. 3944-3950
dc.relation	http://dx.doi.org/10.1166/jnn.2015.9497
dc.rights	(c) American Scientific Publishers, 2015
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Luminescència
dc.subject	Teoria quàntica
dc.subject	Nanoestructures
dc.subject	Pel·licules fines
dc.subject	Semiconductors
dc.subject	Làsers
dc.title	Observation of room temperature photoluminescence from asymmetric CuGaO2/ZnO/ZnMgO multiple quantum well structures
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	Asymmetric (CuGaO2/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.

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