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http://hdl.handle.net/10261/307219
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dc.contributor.author | Camps, I. | - |
dc.contributor.author | Mariscal, A. | - |
dc.contributor.author | Serna, Rosalía | - |
dc.date.accessioned | 2023-04-24T10:00:04Z | - |
dc.date.available | 2023-04-24T10:00:04Z | - |
dc.date.issued | 2023-03-15 | - |
dc.identifier | doi: 10.1016/j.apsusc.2022.156037 | - |
dc.identifier | issn: 0169-4332 | - |
dc.identifier.citation | Applied Surface Science 613: 156037 (2023) | - |
dc.identifier.uri | http://hdl.handle.net/10261/307219 | - |
dc.description | 5 pags., 5 figs., 1 tab. | - |
dc.description.abstract | We report the successful preparation and characterization of active silicon oxynitride thin films with controlled europium (Eu) doping by alternated pulsed laser deposition. The successful Eu doping with a nanostructured dopant distribution, as well as the stoichiometry of the oxynitride film, have been determined by ion beam analysis (RBS). The oxidation state of the incorporated Eu ions has been determined by in-depth x-ray photoelectron spectroscopy (XPS) and it is shown that the Eu ions are in the 2+ state, in contrast to the usual results found in oxide matrices for which the 3+ oxidation state prevails. The Eu-doped films show an intense broadband emission (FWHM >210 nm) associated to the optical transition fd → S of the Eu ions within the amorphous matrix. As expected, the intensity of the emission band increases as the Eu concentration increases, and it is remarkable that the emission shifts towards longer wavelengths. In terms of the chromatic coordinates (CIE) this implies a color tuning from a bluish to orange that enables color tunable emission, and potential white like emission by combining layers with different Eu ions concentration. Therefore, the developed oxynitride films with controlled Eu ions concentration achieved by PLD are promising for the development of color -tailored LED's. | - |
dc.description.sponsorship | This work was partially funded by Spanish grants MINECO/FEDER TEC2015-69916-C2-1-R, MICINN/FEDER RTI2018-096498-B-I00 and PID2021-123190OB-I00, and by the CSIC (Spain) grants PIE202050E195 and AEPP2021-128. I.C. acknowledges the financial support through CSIC scholarship JAE-Pre2011 00578. A.M. acknowledges the financial support through FPI grant BES-2013-062593 | - |
dc.language | eng | - |
dc.publisher | Elsevier | - |
dc.relation | info:eu-repo/grantAgreement/MINECO//TEC2015-69916-C2-1-R/ES/GESTION DE FOTONES EN NANOSTRUCTURAS PARA APLICACIONES DE ILUMINACION INTELIGENTE Y CONMUTACION ACTIVA/ | - |
dc.relation | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-096498-B-I00/ES/INTEGRACION DE NANOESTRUCTURAS FOTONICAS CON HUELLA ECOLOGICA REDUCIDA MEDIANTE PROCESOS LASER PARA EMISION DE LUZ Y SENSORES OPTICOS/info:eu-repo/grantAgreement/MICINN//PID2021-123190OB-I00 | - |
dc.relation | info:eu-repo/grantAgreement/MINECO//BES-2013-062593/ES/BES-2013-062593/ | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.subject | Pulsed laser deposition PLD | - |
dc.subject | Oxynitride | - |
dc.subject | Europium | - |
dc.subject | Nanostructured films | - |
dc.subject | Luminescence | - |
dc.subject | Rare-earth ions | - |
dc.subject | SiAlON | - |
dc.title | Silicon oxynitride nanofilms prepared by PLD with controlled Eu-local concentration for broadband white light emitters | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1016/j.apsusc.2022.156037 | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1016/j.apsusc.2022.156037 | - |
dc.date.updated | 2023-04-24T10:00:04Z | - |
dc.rights.license | https://creativecommons.org/licenses/by/4.0/ | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | Ministerio de Ciencia e Innovación (España) | - |
dc.contributor.funder | Consejo Superior de Investigaciones Científicas (España) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100004837 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003339 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.grantfulltext | open | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
item.openairetype | artículo | - |
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Silicon_oxynitride.pdf | 1,04 MB | Adobe PDF | Visualizar/Abrir | |
Supplementary Material.pdf | 251,05 kB | Adobe PDF | Visualizar/Abrir |
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