Photoluminescence of Er3+ ions in Bi2TeO5 single crystals
- 1. Department of Physics, Universidad Autonoma Metropolitana. Iztapalapa, P.O. Box 55-532, Distrito Federal, San Rafael Atlixco 186, Col. Vicentina (Mexico)
- 2. Research Institute for Solid State Physics and Optics, Hungarian Academy of Sciences, H-1121, Konkoly-Thege u. 29-33, Budapest (Hungary)
- 3. Laboratoire Materiaux Optiques, Photonique et Systemes, CNRS-FRE 2304, Universite de Metz et Supelec, 2 rue E. Belin 57070 Metz (France)
Description
Optical absorption and emission spectra of Er3+ ions in Bi2TeO5 single crystals have been studied at room temperature. Besides the H11/22->I15/24, S3/24->I15/24, and F9/24->I15/24, emission, that were typically strong under excitation to higher energy manifolds than the actual emission, the S3/24->I13/24 luminescence was also intense. The visible transitions were assigned, and Judd-Ofelt calculation was performed by fitting the experimental data set. The calculated Ωt Judd-Ofelt intensity parameters (Ω2=6.98+/-0.57x10-21cm2; Ω4=1.74+/-0.05x10-21 cm2; Ω6=1.23+/-0.12x10-21 cm2) were consistent with the Bi2TeO5 crystal structure and the Er3+ substitution for Bi sites. The radiative transition probabilities, the branching ratios and the radiative lifetime of the transitions of Er3+ ions in bismuth tellurite were also calculated. The results are analyzed for potential application of Bi2TeO5:Er3+ as a new laser material
Additional details
Identifiers
- DOI
- 10.1016/j.jlumin.2004.05.005;
- PII
- S0022-2313(04)00219-4;
Publishing Information
- Journal Title
- Journal of Luminescence
- Journal Volume
- 111
- Journal Issue
- 1-2
- Journal Page Range
- p. 25-35
- ISSN
- 0022-2313
- CODEN
- JLUMA8
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 37047767
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- ABSORPTION; BISMUTH; BRANCHING RATIO; CRYSTAL STRUCTURE; EMISSION SPECTRA; EXCITATION; LASER MATERIALS; MONOCRYSTALS; PHOTOLUMINESCENCE
- Descriptors DEC
- CRYSTALS; DIMENSIONLESS NUMBERS; ELEMENTS; EMISSION; ENERGY-LEVEL TRANSITIONS; LUMINESCENCE; MATERIALS; METALS; PHOTON EMISSION; SORPTION; SPECTRA
Optional Information
- Copyright
- Copyright (c) 2004 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.