ThuliumV1, Main, Exploration, bibRecord, 002749

4f–4f intensities of the Tm3+ ions in fluoroindate glasses: the influence of third-order effects through odd intensity parameters

Identifieur interne : 002749 ( Main/Exploration ); précédent : 002748; suivant : 002750

4f–4f intensities of the Tm3+ ions in fluoroindate glasses: the influence of third-order effects through odd intensity parameters

Auteurs : A. Fl Rez [Colombie] ; M. Fl Rez [Colombie] ; S. A. L Pez-Rivera [Venezuela] ; J. Martin [Venezuela] ; P. Porcher [France] ; O. L. Malta [Brésil] ; Y. Messaddeq [Brésil] ; M. A. Aegerter [Allemagne]

Source :

Journal of Alloys and Compounds [ 0925-8388 ] ; 1998.

RBID : ISTEX:080B77E70936FE2057B8C33D79646B332D9400CF

English descriptors

Abstract

Abstract: In this work an analysis of the phenomenological Ωλ intensity parameters for the Tm3+ ion in fluoroindate glass is made using the standard Judd–Ofelt theory, and a modified oscillator strength taking into account odd-order contributions is utilized. Different sets of phenomenological intensity parameters Ωλ (λ=1,2,3,4,5,6) are discussed. The set of better quality is used to analyze the influence of third-order effects through odd intensity parameters in the new approximation. Fluoroindate glasses of compositions (40−x)InF3–20ZnF2–20SrF2–16BaF2–2GdF3–2NaF–xTmF3 with x=1, 2 and 3 mol% were prepared, and the absorption spectra at room temperature in the spectral range from 300 to 2500 nm were obtained. The experimental oscillator strengths determined from the area under the absorption band are compared to the calculated ones.

Url:

https://api.istex.fr/document/080B77E70936FE2057B8C33D79646B332D9400CF/fulltext/pdf

DOI: 10.1016/S0925-8388(98)00334-X

Affiliations:

Allemagne, Brésil, Colombie, France, Venezuela
Sarre (Land), Île-de-France
Meudon-Cedéx, Sarrebruck

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Abstract: In this work an analysis of the phenomenological Ωλ intensity parameters for the Tm3+ ion in fluoroindate glass is made using the standard Judd–Ofelt theory, and a modified oscillator strength taking into account odd-order contributions is utilized. Different sets of phenomenological intensity parameters Ωλ (λ=1,2,3,4,5,6) are discussed. The set of better quality is used to analyze the influence of third-order effects through odd intensity parameters in the new approximation. Fluoroindate glasses of compositions (40−x)InF3–20ZnF2–20SrF2–16BaF2–2GdF3–2NaF–xTmF3 with x=1, 2 and 3 mol% were prepared, and the absorption spectra at room temperature in the spectral range from 300 to 2500 nm were obtained. The experimental oscillator strengths determined from the area under the absorption band are compared to the calculated ones.</div>
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4f–4f intensities of the Tm3+ ions in fluoroindate glasses: the influence of third-order effects through odd intensity parameters

4f–4f intensities of the Tm3+ ions in fluoroindate glasses: the influence of third-order effects through odd intensity parameters

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri