Dense ceramics of lanthanide-doped Lu2O3 prepared by spark plasma sintering

被引：13

作者：

Thor, T. ^{[1
,2
]}

Rubesova, K. ^{[1
]}

Jakes, V ^{[1
]}

Mikolasova, D. ^{[1
]}

Cajzl, J. ^{[1
]}

Havlicek, J. ^{[1
]}

Nadherny, L. ^{[1
]}

Prusa, F. ^{[3
]}

Kucerkova, R. ^{[4
]}

Nikl, M. ^{[4
]}

机构：

[1] Univ Chem & Technol, Dept Inorgan Chem, Tech 5, Prague 16628 6, Czech Republic

[2] Czech Acad Sci, Reg Ctr Special Opt & Optoelect Syst Turnov TOPTE, Inst Plasma Phys, Sobotecka 1660, Turnov 51101, Czech Republic

[3] Univ Chem & Technol, Dept Met & Corros Engn, Tech 5, Prague 16628 6, Czech Republic

[4] Czech Acad Sci, Inst Phys, Cukrovarnicka 10-112, Prague 16200 6, Czech Republic

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2021年 / 41卷 / 01期

关键词：

Lutetium oxide; SPS; Luminescence; Scintillation; TRANSPARENT LUTETIUM OXIDE; FABRICATION; LUMINESCENCE; POWDER; ND3+;

D O I：

10.1016/j.jeurceramsoc.2020.08.028

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Dense ceramics of Ln:Lu2O3 (Ln = Pr, Eu, Tb, Dy) were obtained using spark plasma sintering (SPS) from co-precipitated nanocrystalline powders. X-ray diffraction, scanning and transmission electron microscopies were used for the characterization of Ln:Lu2O3 powders obtained by various annealing regimes. Transparency of the sintered ceramics was achieved when powders with highly developed crystallinity were used for sintering. Sintered ceramics exhibited luminescence with a characteristic emission based on the element doped into the Lu2O3 host. The light yield of the sintered ceramics improved when the sintered ceramics was further annealed. The annealing of the sintered ceramics also improved the transmittance in the visible region; however, the transparency was lost when the annealing temperature was too high. To our best knowledge, the SPS fabrication of dense ceramics of Pr3+, Tb3+ and Dy3+-doped Lu2O3 is reported here for the first time.

引用

页码：741 / 751

页数：11

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