Ultraviolet emission transparent Gd:YAG ceramics processed by solid‐state reaction spark plasma sintering

Transparent 1% Gd‐doped YAG and YAG ceramics were synthesized via solid‐state reaction spark plasma sintering using commercially available powder and TESO as a sintering additive. The highest in‐line transmission values achieved were 77.1% at 550 nm and 80.6% at 800 nm in the 1% (at.%) Gd‐doped YAG...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 2020-02, Vol.103 (2), p.839-848
Main Authors: Zhang, Guangran, Carloni, David, Wu, Yiquan
Format: Article
Language:English
Subjects:
Ceramics
Gadolinium
Photoluminescence
Plasma sintering
Spark plasma sintering
transparent ceramics
Ultraviolet emission
yttrium aluminum garnet
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Summary:Transparent 1% Gd‐doped YAG and YAG ceramics were synthesized via solid‐state reaction spark plasma sintering using commercially available powder and TESO as a sintering additive. The highest in‐line transmission values achieved were 77.1% at 550 nm and 80.6% at 800 nm in the 1% (at.%) Gd‐doped YAG transparent ceramic with 99.90% relative density. Ultraviolet emission at 312.5 nm was observed in 1% Gd‐doped YAG ceramic via photoluminescence excitation, making it a promising material for applications in solid‐state UV devices.
ISSN:0002-7820
1551-2916
DOI:10.1111/jace.16785