Scintillation Ceramic Nanoparticles Obtained by Solution Combustion Synthesis

被引：0

作者：

Krutikova I.V. ^{[1
]}

Nefedova K.V. ^{[2
]}

机构：

[1] Institute of Electrophysics, Ural Branch, Russian Academy of Sciences, Yekaterinburg

[2] Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences, Yekaterinburg

来源：

Bulletin of the Russian Academy of Sciences: Physics | 2023年 / 87卷 / Suppl 1期

关键词：

nanoparticles; scintillators; solution combustion synthesis; yttrium oxide;

D O I：

10.1134/S1062873823704440

中图分类号：

学科分类号：

摘要：

Abstract: Yttrium oxide doped with cerium ions (Ce4+:Y2O3) is a promising material for ceramic scintillators, while the use of nanosized particles can reduce optical losses in the obtained ceramics during its sintering. The method of solution combustion synthesis for the synthesis of nanoparticles, has the following advantages: organic compounds are usually used as fuel, which are easily oxidized and introduce minimal pollution into the product, and gaseous products are released during the combustion, which makes it possible to obtain ceramic substances in a finely dispersed state. Experiments were carried out to obtain nanopowders of yttrium oxide doped with cerium ions by combustion in solutions using glycine/(glycine and citric acid) as a reducing agent/fuel. Yttrium nitrates were the initial components for the preparation of aqueous solutions. The characteristics of the synthesized particles of yttrium oxide doped with cerium ions are presented. X-ray phase analysis of the obtained materials after annealing at t = 600°C have shown that all samples are powders with a single-phase structure. In accordance with the data of scanning electron microscopy and particle size distribution of aggregates, the distribution peak of Ce4+:Y2O3 particle aggregates is at 10–12 nm. It has been shown that the method of combustion in solutions can be successfully used for the synthesis of metal oxide nanoparticles. © 2023, Pleiades Publishing, Ltd.

引用

页码：S82 / S86

页数：4

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