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Título: | Upconversion emission in Er(3+)-doped lead niobium germanate thin-film glasses produced by pulsed laser deposition |
Autor: | Lahoz, F.; Haro-González, P.; Rivera-López, F.; González-Pérez, S.; Martín, I. R.; Capuj, Néstor E.; Afonso, Carmen N. CSIC ; Gonzalo, J. CSIC ORCID; Fernández, Joaquín CSIC ORCID; Balda, Rolindes CSIC ORCID | Palabras clave: | [PACS] Optical properties of bulk materials and thin films [PACS] Time resolved luminescence [PACS] Amorphous materials; glasses and other disordered solids [PACS] Amorphous semiconductors; glasses |
Fecha de publicación: | 13-jun-2008 | Editor: | Springer Nature | Citación: | Applied Physics A 93(3): 621-625 (2008) | Resumen: | Thin films of Er(3+)-doped lead–niobium germanate have been produced by pulsed laser deposition from Er(3+)-doped 25PbO2–25Nb2O5–50GeO2 (mol%) transparent glasses with an Er content in the range 0.5–3 wt%. The room-temperature infrared to visible upconversion properties of these thin films have been investigated under 800-nm laser excitation. An energy transfer upconversion mechanism has been identified to be responsible for the population of the 4S3/2:2H11/2 excited level, from which an intense green emission occurs. A rate equation analysis supports the proposed mechanism. | Descripción: | 5 pages, 6 figures.-- PACS nrs.: 78.20.-e, 78.47.Cd, 78.55.Qr, 78.66.Jg.-- Printed version published on Nov 2008. | Versión del editor: | http://dx.doi.org/10.1007/s00339-008-4688-7 | URI: | http://hdl.handle.net/10261/8417 | DOI: | 10.1007/s00339-008-4688-7 | ISSN: | 0947-8396 | E-ISSN: | 1432-0630 |
Aparece en las colecciones: | (CFMAC-IO) Artículos (CFM) Artículos |
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