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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, N. E.; Afonso, Carmen N. ; Gonzalo de los Reyes, José; Fernández, Joaquín ; Balda, Rolindes
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
EditorSpringer
Citación Applied Physics A 93(3): 621-625 (2008)
ResumenThin 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 editorhttp://dx.doi.org/10.1007/s00339-008-4688-7
URI http://hdl.handle.net/10261/8417
DOI10.1007/s00339-008-4688-7
ISSN0947-8396 (Print)
1432-0630 (Online)
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