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Rare-earth (RE) doped glass-ceramics represent very interesting luminescent materials. The thermal annealing of the glass precursor causes the controlled precipitation of several crystalline phases, in which RE may be variously distributed, also with different oxidation states, e.g. Eu2+ and Eu3+. The present investigation demonstrates the feasibility of preparation of RE-doped alumino-boro-silicate...
This paper presents an evaluation of photoluminescent and structural properties of Eu3+-doped TiO2 materials in powder form prepared by sol–gel process. The increase of heat-treatment temperature of synthesis results in the TiO2 phase transition, obtaining anatase, rutile and sometimes brookite, examined by Raman and XRD techniques. Crystallite size as well as microstrains in the crystal structure...
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