Photochemical synthesis and characterization of multi-component (Gd, Lu)3(Ga,Al)5O12: Ce garnet powders

被引：4

作者：

Barta, J. ^{[1
,2
]}

Mullerova, E. ^{[1
]}

Kuzar, M. ^{[1
]}

Prochazkova, L. ^{[1
,2
]}

Kurcerkova, R. ^{[2
]}

Jakubec, I. ^{[3
]}

Cuba, V. ^{[1
]}

机构：

[1] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Brehova 7, Prague 11519 1, Czech Republic

[2] Acad Sci Czech Republ, Inst Phys, Cukrovarnicka 10, Prague 16253 6, Czech Republic

[3] Acad Sci Czech Republ, Inst Inorgan Chem, Husinec Rez 1001, CZ-25068 Rez, Czech Republic

来源：

RADIATION MEASUREMENTS | 2019年 / 124卷

关键词：

Garnet; Synthesis; Nanomaterial; X-ray diffraction; Radioluminescence; CRYSTALS; GROWTH;

D O I：

10.1016/j.radmeas.2019.03.012

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Photochemical synthesis was used for the formation of solid precursors for multi-component Ce-doped (Gd1-xLux)(3)(Ga1-yAly)(5)O-12. Elemental composition of the solid precursors was evaluated by X-ray fluorescence spectroscopy and the samples were then heated in air to obtain garnet powders. The calcination temperature was correlated with the composition of the powder. The X-ray diffraction revealed that for high Gd content at lower temperatures, impurities such as Gd-3(GaO4)O-2 were present along with the garnet phase; increased calcination temperature was required for a pure garnet phase. The highly luminescent powders exhibited typical Ce3+ 5d-4f emission in visible range when excited by X-rays, with shifts in emission maximum caused by the changes in sample composition.

引用

页码：98 / 102

页数：5

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