Novel Eu{sup 3+}-doped lead telluroborate glasses for red laser source applications

Journal Article · Mon Aug 15 00:00:00 EDT 2011 · Journal of Solid State Chemistry

DOI:https://doi.org/10.1016/j.jssc.2011.06.007· OSTI ID:21580210

Vijaya Kumar, M V ^[1]; Rama Gopal, K; Reddy, R R ^[2]

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1. Department of Physics, Rayalaseema University, Kurnool 518002 (India)
2. Department of Physics, Sri Krishnadevaraya University, Anantapur 515055 (India)

We report the absorption, luminescence and decay analysis of Eu{sup 3+}-doped lead telluroborate (PTBEu) glasses for different Eu{sup 3+} concentrations ranging from 0.1 to 2.0 mol%. Judd-Ofelt intensity parameters obtained from {sup 5}D{sub 0}{yields}{sup 7}F{sub J=0-6} emission transitions of Eu{sup 3+} were used to calculate the radiative transition probabilities, luminescence branching ratios and radiative decay times. The luminescence spectra and decay times were measured at 464 nm excitation. The optical band gap energies are also determined. The luminescence intensity ratio, color purity and emission cross-section values support that the PTBEu20 glass is a suitable candidate for red laser source applications. - Graphical abstract: Luminescence spectrum of the PTBEu20 glass with CIE coordinates. Highlights: > J-O parameters are obtained from the intensities of {sup 5}D{sub 0}{yields}{sup 7}F{sub J} transitions of Eu{sup 3+} ion. > The intensity ratio between {sup 5}D{sub 0}{yields}{sup 7}F{sub 2} and {sup 5}D{sub 0}{yields}{sup 7}F{sub 1} transitions gives the information about red color richness. > PTBEu20 glass is a suitable solid state material for red laser source applications.

• OSTI ID: 21580210
• Journal Information: Journal of Solid State Chemistry, Vol. 184, Issue 8; Other Information: DOI: 10.1016/j.jssc.2011.06.007; PII: S0022-4596(11)00318-5; Copyright (c) 2011 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; ISSN 0022-4596
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
ABSORPTION
BRANCHING RATIO
CROSS SECTIONS
DOPED MATERIALS
EUROPIUM IONS
EXCITATION
LASERS
LUMINESCENCE
RADIATIVE DECAY
SOLIDS
CHARGED PARTICLES
DECAY
DIMENSIONLESS NUMBERS
EMISSION
ENERGY-LEVEL TRANSITIONS
IONS
MATERIALS
PARTICLE DECAY
PHOTON EMISSION
SORPTION