Abstract
The main aim of this work was to perform low-temperature synthesis of glass-ceramics with YNbO4 : Tb3+ crystalline inclusions and study the structural and luminescent properties of the samples synthesized. In the framework of this work, inclusions crystallized in the system B2O5-Na2O-Y2O3 -Nb2O5-Tb4O7 (Bura). It was shown that in this system, regardless of the precursors in the samples, YNbO4 : Tb3+ in an amount of more than 70% of the total crystalline component. The most promising system for the synthesis of activated glass-ceramics with YNbO4 proved to be synthesized from oxide precursors; it crystallized more than 95% YNbO4 : Tb3+ of the total crystalline component. The luminescent properties of crystalline inclusions were studied using the local cathodoluminescence method. The composition and structure of glass ceramics were studied by methods X-ray spectral microanalysis and X-ray diffraction phase analysis. Keywords: YNbO4 : Tb3+, luminescence, glass-ceramics.
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