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Infrared-to-visible frequency upconversion in SrAl2O4powders containing Er3+and Yb3+

✍ Scribed by N. Rakov; R. B. Guimarães; G. S. Maciel

Publisher
Springer
Year
2009
Tongue
English
Weight
347 KB
Volume
98
Category
Article
ISSN
0721-7269

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## Abstract The frequency upconversion emissions of NaYF~4~ nanocrystals embedded in transparent glass ceramics codoped with Yb^3+^/Er^3+^, prepared by melt quenching and subsequent heating, were investigated. It was found that, compared with that of the sample singly doped with 0.5Er^3+^, the inte