Effect of the sintering temperature on microstructure and optical properties of reactive sintered YAG:Sm3+ ceramics

被引：0

作者：

Timoshenko A.D. ^{[1
]}

Doroshenko A.G. ^{[1
]}

Parkhomenko S.V. ^{[1
]}

Vorona I.O. ^{[1
]}

Kryzhanovska O.S. ^{[1
]}

Safronova N.A. ^{[1
]}

Vovk O.O. ^{[1
]}

Tolmachev V. ^{[1
]}

Baumer V.N. ^{[1
,2
]}

Matolínová I. ^{[3
]}

Yavetskiy R.P. ^{[1
]}

机构：

[1] Institute for Single Crystals, NAS of Ukraine, 60 Nauky Ave., Kharkiv

[2] SSI “Institute for Single Crystals”, NAS of Ukraine, 60 Nauky Ave., Kharkiv

[3] Charles University, Faculty of Mathematics and Physics, V Holešovičkách 2, Prague

来源：

Optical Materials: X | 2022年 / 13卷

关键词：

Absorption coefficient; Grain size; Optical properties; Reactive sintering; YAG:Sm[!sup]3+[!/sup] ceramics;

D O I：

10.1016/j.omx.2021.100131

中图分类号：

学科分类号：

摘要：

YAG:Sm3+ (5 аt.%) optical ceramics were obtained by the solid-state reactive sintering in the 1700–1800°C temperature range. The effect of the sintering temperature on the microstructure, phase composition and optical properties of YAG:Sm3+ ceramics has been studied. It has been shown that the optimal sintering temperature in order to produce YAG:Sm3+ transparent ceramics is 1725°С. The sintered ceramics are characterized by high optical transmittance (>82% at 808 nm), low residual porosity and the average grain size of 21 μm. It has been shown that the sintering temperature has a little effect on the average grain size of synthesized ceramics. Microstructure of YAG:Sm3+ ceramics consolidated at 1800°C is characterized by the presence of large grains up to 90 μm surrounded by the main fraction with an average grain size of 19 μm, which could be evidence of starting bimodal grain size distribution. © 2021 The Author(s)

引用

共 32 条

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