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Specific absorption in Y3Al5O12:Eu ceramics and the role of stable Eu(2+)in energy transfer processes
Buryi, M; Havlak, L; Jary, V; Barta, J; Laguta, V; Beitlerova, A; Li, J; Chen, XP; Yuan, Y; Liu, Q; Pan, YB; Nikl, M
2020-07-14
Source PublicationJOURNAL OF MATERIALS CHEMISTRY C
ISSN2050-7526
Issue26Pages:8823
SubtypeArticle
AbstractSeveral sets of Eu-doped Y3Al5O12(YAG) ceramic samples were synthesized by the vacuum sintering technique. Their structural, optical and magnetic properties were investigated by means of X-ray diffraction, X-ray fluorescence, optical absorption, time-resolved luminescence spectroscopy and electron paramagnetic resonance. Multiple annealing in different atmospheres was employed to understand the nature of strong specific absorption bands peaking at about 250, 370 and 550 nm in the case of these ceramics. The influence of sintering aids used during the preparation of ceramics (such as tetraethyl orthosilicate and/or magnesium oxide) on the optical properties is thoroughly studied. The charge transfer transition in the Eu-Y(2+)+ F(+)pair center is suggested to explain the nature of these absorption bands which is also supported by the peculiarities of the Eu(2+)5d-4f and F+/F luminescence occurrence. Application potential of the studied ceramics in the industrial implementation is discussed as well.
DOI10.1039/d0tc01957g
WOS KeywordF-CENTER LUMINESCENCE ; TRANSPARENT CERAMICS ; ALUMINUM-OXIDE ; COLOR-CENTERS ; YB-YAG ; FABRICATION ; PHOSPHOR ; STATES ; ADDITIVES ; MICROSTRUCTURE
Language英语
WOS Research AreaMaterials Science ; Physics
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27909
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Buryi, M,Havlak, L,Jary, V,et al. Specific absorption in Y3Al5O12:Eu ceramics and the role of stable Eu(2+)in energy transfer processes[J]. JOURNAL OF MATERIALS CHEMISTRY C,2020(26):8823.
APA Buryi, M.,Havlak, L.,Jary, V.,Barta, J.,Laguta, V.,...&Nikl, M.(2020).Specific absorption in Y3Al5O12:Eu ceramics and the role of stable Eu(2+)in energy transfer processes.JOURNAL OF MATERIALS CHEMISTRY C(26),8823.
MLA Buryi, M,et al."Specific absorption in Y3Al5O12:Eu ceramics and the role of stable Eu(2+)in energy transfer processes".JOURNAL OF MATERIALS CHEMISTRY C .26(2020):8823.
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