Web23 Apr 2024 · Dysprosium-doped borophosphate glasses, containing the divalent cations Mg 2+, Ca 2+, Sr 2+, Ba 2+, and Zn 2+, are prepared by the melt-quenching technique.The structure of the glasses is investigated by Raman, infrared, and nuclear magnetic resonance (NMR) spectroscopies and the fluorescence properties are determined. Web28 Feb 2024 · Yb3+-doped phosphate glasses containing different amounts of SiO2 were successfully synthesized by the conventional melt-quenching method. The influence mechanism of SiO2 on the structural and spectroscopic properties was investigated systematically using the micro-Raman technique. It was worth noting that the glass with …

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Web1: Author Alberto Casado, Ramon Risco-Delgado, Emilio Santos3: Requires cookie* Title Abstract Web1 Jan 2013 · Optical properties of ultraphosphate glasses containing mixed divalent zinc and magnesium ions 1. Introduction. In designing optical elements, glass is in widespread … restaurant with a view mississauga

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Web1 Mar 2000 · Phosphate glasses can be made with a range of structures, from a cross-linked network of Q 3 tetrahedra (vitreous P 2 O 5) to polymer-like metaphosphate chains of Q 2 … In this review, spectroscopic and diffraction studies of simple phosphate glasses, … Typical infrared spectra of sodium phosphate glasses are shown in Fig. … In the early part of ultraphosphate glasses with small ZnO content (i.e., 10 mol% … Glasses contain 19–38 wt% Fe 2 O 3, 42–63 wt% P 2 O 5, 3–22 wt% Na 2 O and 1–9 … The crystal structure of o-modification of diphosphorus pentaoxide was refined at … A silica-like structure was proposed to exist, partially formed for the Be, Zn and Mg … Anhydrous sodium ultraphosphate glasses were prepared with Na 2 O contents … We report the polarized Raman spectra of pure anhydrous vitreous P 2 O 5 and … Web5 Jun 2002 · Fluoride phosphate and ultraphosphate glasses doped with europium, cerium, terbium and lead ions were melted under oxidizing and reducing conditions. Their photosensitivity was examined by UV laser-induced absorption and waveguide writing. Strong waveguides are created for Eu 2+ , Ce 3+ and Tb 3+ dopants. High long-term and … Web1 Aug 1997 · The structure of sodium ultraphosphate glasses, (Na{sub 2}O){sub x}(P{sub 2}O{sub 5}){sub 100-x} (x = 0, 10, 20), and alkali metaphosphate glasses, MePO{sub 3} (Me = Li, Na, K, Rb and Cs) have been studied by neutron diffraction. ... Metaphosphate glasses such as LiPO 3 and NaPO 3 are known to incorporate nitrogen in the molten state under … restaurant with beef stew