具有高透光率的 LuAG：Er 陶瓷的制备与表征

IF 5.8 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of The European Ceramic Society Pub Date : 2024-10-29 DOI:10.1016/j.jeurceramsoc.2024.117033

A.A. Kravtsov , O.M. Chapura , V.A. Tarala , E.V. Medyanik , L.V. Tarala , V.E. Suprunchuk , F.F. Malyavin , S.V. Kuznetsov , V.S. Tsvetkov , E.A. Dobretsova , Yu.L. Kalachev , V.A. Lapin

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引用次数: 0

摘要

在水溶液中通过化学沉淀制备的粉末合成了基于铒含量为 1% 至 50% 的 LuAG 的高透明陶瓷。研究了热等静压对这些陶瓷光学特性的影响。结果表明，热等静压可提高 LuAG:Er 陶瓷的透光率。研究还考察了铒浓度对陶瓷平均晶粒尺寸的影响。此外，还分析了 LuAG:Er 陶瓷随温度变化的热扩散率曲线与铒含量的函数关系。确定了在∼1.5-1.6 μm 和 ∼2.7 μm 光谱范围内发光强度最高的铒浓度。

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Fabrication and characterization of LuAG: Er ceramics with high optical transmission

Highly transparent ceramics based on LuAG with erbium content ranging from 1 to 50 at% were synthesized from powders prepared via chemical precipitation in an aqueous solution. The impact of hot isostatic pressing on the optical properties of these ceramics was investigated. It was demonstrated that employing hot isostatic pressing enhances the optical transmittance of LuAG:Er ceramics. The influence of erbium concentration on the average grain size of the ceramics was also examined. Additionally, temperature-dependent thermal diffusivity profiles of LuAG:Er ceramics as a function of erbium content were analyzed. Erbium concentrations yielding the highest luminescence intensity in spectral ranges around ∼1.5–1.6 μm and ∼2.7 μm were determined.

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来源期刊

Journal of The European Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

10.70

自引率

12.30%

发文量

863

审稿时长

35 days

期刊介绍： The Journal of the European Ceramic Society publishes the results of original research and reviews relating to ceramic materials. Papers of either an experimental or theoretical character will be welcomed on a fully international basis. The emphasis is on novel generic science concerning the relationships between processing, microstructure and properties of polycrystalline ceramics consolidated at high temperature. Papers may relate to any of the conventional categories of ceramic: structural, functional, traditional or composite. The central objective is to sustain a high standard of research quality by means of appropriate reviewing procedures.