Preparation and Characterization of Gadolinium Niobate Tantalates Activated with Europium Ions
Source abstract
Abstract
We have developed a technological scheme for the preparation of europium-activated gadolinium niobates and tantalates and related solid solutions by a sol–gel process. It has been shown that, during synthesis of crystalline powders, raising the calcination temperature from 1200 to 1400°C leads to a decrease in the concentration of impurity phases from 10–15 to 4–10 wt %. The GdxEu1 – xTaO4 samples have been shown to have different structural polytypes at these temperatures. The synthesized materials exhibit bright red luminescence under photoexcitation.
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Research context
OpenAlex topics: Nuclear materials and radiation effects · Luminescence Properties of Advanced Materials · Microwave Dielectric Ceramics Synthesis
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References (25)
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