Sol–gel Eu3+/Tm3+ doped transparent glass–ceramic waveguides
✍ Scribed by S.J.L. Ribeiro; C.C. Araújo; L.A. Bueno; R.R. Gonçalves; Y. Messaddeq
- Book ID
- 116668212
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 363 KB
- Volume
- 348
- Category
- Article
- ISSN
- 0022-3093
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## Abstract Nanostructured transparent glass‐ceramics with composition of 95SiO~2~–5LaF~3~ doped with 0.1 mol% of Tm^3+^ or co‐doped with 0.1 mol% of Tm^3+^ and 0.3 mol% of Yb^3+^ were synthesized by thermal treatment of precursor sol–gel derived glasses. A comparative luminescence analysis in term
Glass-ceramics with composition of 89.9SiO 2 -10LaF 3 -0.1EuF 3 (mol%) were prepared by sol-gel method. LaF 3 nanocrystals, precipitated by heat-treatments, were identified by X-ray diffraction (XRD) and high-resolution transmission electron microscopy (HRTEM). Besides the well-known red emission of