Erbium-Doped Lu2O3-MgO and Sc2O3-MgO IR-Transparent Composite Ceramics

被引：5

作者：

Permin, Dmitry ^{[1
,2
]}

Belyaev, Alexander ^{[2
]}

Koshkin, Vitaliy ^{[2
]}

Kurashkin, Sergey ^{[1
,2
]}

Balabanov, Stanislav ^{[2
]}

Smetanina, Ksenia ^{[1
]}

Boldin, Maxim ^{[1
]}

Klyusik, Oksana ^{[1
]}

机构：

[1] NI Lobachevsky Nizhny Novgorod State Univ, Fac Chem, 23 Gagarin Ave, Nizhnii Novgorod 603022, Russia

[2] Russian Acad Sci, GG Devyatykh Inst Chem High Pur Subst, 49 Tropinin St, Nizhnii Novgorod 603137, Russia

来源：

NANOMATERIALS | 2023年 / 13卷 / 10期

基金：

俄罗斯科学基金会;

关键词：

SHS; nanopowders; composites; optical ceramics; hot pressing; NANOCOMPOSITES; LUMINESCENCE; FABRICATION; MICROSTRUCTURE; NANOPOWDERS;

D O I：

10.3390/nano13101620

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Novel IR-transparent ceramics of erbium-doped Lu2O3-MgO and Sc2O3-MgO composites have been successfully obtained using a combination of glycine-nitrate self-propagating high-temperature synthesis and vacuum hot-pressing methods. Composites have densities greater than 99.5% of those calculated by X-ray diffraction and consist of uniformly distributed submicron grains of magnesium and rare earth oxides. The transmittances of 1.5 mm thick composites are as high as 84.5% and 78.9% at similar to 5 mu m for Er:Lu2O3-MgO and Er:Sc2O3-MgO, respectively. Both composites are favorable matrices for doping with erbium ions, which exhibit intense luminescence in the visible, near, and mid-IR under relevant excitation. The position of the luminescence bands is similar to Er:Lu2O3 and Er:Sc2O3 ceramics; the lifetimes of the I-4(13/2) state are 8.85 +/- 0.1 ms and 5.7 +/- 0.2 ms for 3%Er:Lu2O3-MgO and 3%Er:Sc2O3-MgO, respectively.

引用

页数：12

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