کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1480120 1510396 2016 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Glasses in the system TeO2PbO·P2O5PbF2:EuF3: Peculiarities of structure, crystallization and luminescence
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
Glasses in the system TeO2PbO·P2O5PbF2:EuF3: Peculiarities of structure, crystallization and luminescence
چکیده انگلیسی


• The glasses in the TeO2PbO·P2O5PbF2:0.5EuF3 system have been synthesized and investigated.
• The glass structural information is provided.
• The crystallization process of 42.5TeO232.5PbO·P2O525PbF2:0.5EuF3 glass was studied.
• The contribution of Eu(3 +) photoluminescence was found for the glass of 42.5TeO232.5 PbO·P2O525PbF2:0.5EuF3.
• The glass crystallization affects the luminescence.

Glasses in the TeO2PbO·P2O5PbF2:0.5EuF3 system are obtained. The structure, crystallization and luminescent properties are discussed by data of Raman spectroscopy, mainly. It has been demonstrated that a glass network composed of mixed tellurite and phosphate polyhedra is formed in the glasses. Lead difluoride renders a modifying effect on the structure of the glass network at large, i.e., both tellurite and phosphate groups. It has been shown that at the initial stages of the crystallization of the 42.5TeO232.5PbO·P2O525PbF2:0.5EuF3 glass the phosphate phases (Pb3(PO4)2) enter into the crystallites. The destruction of the glass network is a partial. The tellurite groups are driven back into the residual glass. At the scattering excitation by a laser with the wavelength λ0 = 532 nm the Eu3 + luminescence corresponding to the emission levels 578, 585, 590, and 612 nm was revealed in glass of the composition 42.5TeO232.5PbO·P2O525PbF2:0.5EuF3. The glass crystallization affects the luminescence.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Non-Crystalline Solids - Volume 450, 15 October 2016, Pages 103–108
نویسندگان
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