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Título: | Si nanoparticle- Er3+ coupling through contact in as-deposited nanostructured films |
Autor: | Núñez Sánchez, Sara CSIC ORCID; Roque, Pablo M. CSIC ORCID; Serna, Rosalía CSIC ORCID ; Petford-Long, Amanda K. | Fecha de publicación: | 2011 | Editor: | American Institute of Physics | Citación: | Applied Physics Letters 98: 151109 (2011) | Resumen: | The efficient excitation of Er3+ ions through contact with Si nanoparticles (NPs) is demonstrated. A nanostructured doping process has been developed that leads to contact between Si NPs formed in situ and optically-active Er3+ ions embedded in Al2 O3. This is achieved by independent and consecutive deposition of the dopants and matrix. The Si NP- Er3+ contact regime enhances the probability of efficient interaction due to the local spatial overlap of the electronic states of the Er3+ and of the Si NP exciton, enabling energy transfer by interband exciton recombination. This leads to up to 53% of the Er3+ ions being excited in as-deposited films. © 2011 American Institute of Physics. | URI: | http://hdl.handle.net/10261/58984 | DOI: | 10.1063/1.3579523 | Identificadores: | doi: 10.1063/1.3579523 issn: 0003-6951 |
Aparece en las colecciones: | (CFMAC-IO) Artículos |
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Nuñez Sanchez.pdf | 568,22 kB | Adobe PDF | Visualizar/Abrir |
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